Remove unnecessary btd_adapter_get_remote_version function
diff --git a/plugins/hciops.c b/plugins/hciops.c
index 412eb8d..26b830e 100644
--- a/plugins/hciops.c
+++ b/plugins/hciops.c
@@ -1661,19 +1661,46 @@
 	write_features_info(&dev->bdaddr, &dba, evt->features, NULL);
 }
 
+struct remote_version_req {
+	int index;
+	uint16_t handle;
+};
+
+static gboolean __get_remote_version(gpointer user_data)
+{
+	struct remote_version_req *req = user_data;
+	struct dev_info *dev = &devs[req->index];
+	read_remote_version_cp cp;
+
+	DBG("hci%d handle %u", req->index, req->handle);
+
+	memset(&cp, 0, sizeof(cp));
+	cp.handle = htobs(req->handle);
+
+	hci_send_cmd(dev->sk, OGF_LINK_CTL, OCF_READ_REMOTE_VERSION,
+					READ_REMOTE_VERSION_CP_SIZE, &cp);
+
+	return FALSE;
+}
+
+static void get_remote_version(int index, uint16_t handle)
+{
+	struct remote_version_req *req;
+
+	req = g_new0(struct remote_version_req, 1);
+	req->handle = handle;
+	req->index = index;
+
+	g_timeout_add_seconds_full(G_PRIORITY_DEFAULT, 1, __get_remote_version,
+								req, g_free);
+}
+
 static inline void conn_complete(int index, void *ptr)
 {
 	struct dev_info *dev = &devs[index];
 	evt_conn_complete *evt = ptr;
 	char filename[PATH_MAX];
 	char local_addr[18], peer_addr[18], *str;
-	struct btd_adapter *adapter;
-
-	adapter = manager_find_adapter(&dev->bdaddr);
-	if (!adapter) {
-		error("Unable to find matching adapter");
-		return;
-	}
 
 	if (evt->link_type != ACL_LINK)
 		return;
@@ -1693,8 +1720,7 @@
 
 	str = textfile_get(filename, peer_addr);
 	if (!str)
-		btd_adapter_get_remote_version(adapter, btohs(evt->handle),
-									TRUE);
+		get_remote_version(index, btohs(evt->handle));
 	else
 		free(str);
 }
@@ -1705,13 +1731,6 @@
 	evt_le_connection_complete *evt = ptr;
 	char filename[PATH_MAX];
 	char local_addr[18], peer_addr[18], *str;
-	struct btd_adapter *adapter;
-
-	adapter = manager_find_adapter(&dev->bdaddr);
-	if (!adapter) {
-		error("Unable to find matching adapter");
-		return;
-	}
 
 	btd_event_conn_complete(&dev->bdaddr, evt->status,
 					btohs(evt->handle), &evt->peer_bdaddr);
@@ -1728,8 +1747,7 @@
 
 	str = textfile_get(filename, peer_addr);
 	if (!str)
-		btd_adapter_get_remote_version(adapter, btohs(evt->handle),
-									TRUE);
+		get_remote_version(index, btohs(evt->handle));
 	else
 		free(str);
 }
@@ -3026,51 +3044,6 @@
 	return 0;
 }
 
-struct remote_version_req {
-	int index;
-	uint16_t handle;
-};
-
-static gboolean get_remote_version(gpointer user_data)
-{
-	struct remote_version_req *req = user_data;
-	struct dev_info *dev = &devs[req->index];
-	read_remote_version_cp cp;
-
-	DBG("hci%d handle %u", req->index, req->handle);
-
-	memset(&cp, 0, sizeof(cp));
-	cp.handle = htobs(req->handle);
-
-	hci_send_cmd(dev->sk, OGF_LINK_CTL, OCF_READ_REMOTE_VERSION,
-					READ_REMOTE_VERSION_CP_SIZE, &cp);
-
-	return FALSE;
-}
-
-static int hciops_get_remote_version(int index, uint16_t handle,
-							gboolean delayed)
-{
-	struct remote_version_req *req;
-
-	DBG("hci%d handle %u delayed %d", index, handle, delayed);
-
-	req = g_new0(struct remote_version_req, 1);
-	req->handle = handle;
-	req->index = index;
-
-	if (!delayed) {
-		get_remote_version(req);
-		g_free(req);
-		return 0;
-	}
-
-	g_timeout_add_seconds_full(G_PRIORITY_DEFAULT, 1, get_remote_version,
-								req, g_free);
-
-	return 0;
-}
-
 static int set_service_classes(int index, uint8_t value)
 {
 	struct dev_info *dev = &devs[index];
@@ -3254,7 +3227,6 @@
 	.get_auth_info = hciops_get_auth_info,
 	.read_scan_enable = hciops_read_scan_enable,
 	.enable_le = hciops_enable_le,
-	.get_remote_version = hciops_get_remote_version,
 	.encrypt_link = hciops_encrypt_link,
 	.set_did = hciops_set_did,
 	.services_updated = hciops_services_updated,
diff --git a/plugins/mgmtops.c b/plugins/mgmtops.c
index ea87849..ba0110f 100644
--- a/plugins/mgmtops.c
+++ b/plugins/mgmtops.c
@@ -745,13 +745,6 @@
 	return -ENOSYS;
 }
 
-static int mgmt_get_remote_version(int index, uint16_t handle,
-							gboolean delayed)
-{
-	DBG("index %d handle %u delayed %d", index, handle, delayed);
-	return -ENOSYS;
-}
-
 static int mgmt_encrypt_link(int index, bdaddr_t *dst, bt_hci_result_t cb,
 							gpointer user_data)
 {
@@ -830,7 +823,6 @@
 	.get_auth_info = mgmt_get_auth_info,
 	.read_scan_enable = mgmt_read_scan_enable,
 	.enable_le = mgmt_enable_le,
-	.get_remote_version = mgmt_get_remote_version,
 	.encrypt_link = mgmt_encrypt_link,
 	.set_did = mgmt_set_did,
 	.services_updated = mgmt_services_updated,
diff --git a/src/adapter.c b/src/adapter.c
index 3864f6e..a3e6abd 100644
--- a/src/adapter.c
+++ b/src/adapter.c
@@ -3392,13 +3392,6 @@
 	memcpy(dev->extfeatures, features, 8);
 }
 
-int btd_adapter_get_remote_version(struct btd_adapter *adapter,
-					uint16_t handle, gboolean delayed)
-{
-	return adapter_ops->get_remote_version(adapter->dev_id, handle,
-								delayed);
-}
-
 int btd_adapter_encrypt_link(struct btd_adapter *adapter, bdaddr_t *bdaddr,
 					bt_hci_result_t cb, gpointer user_data)
 {
diff --git a/src/adapter.h b/src/adapter.h
index bc5d5b7..a6320af 100644
--- a/src/adapter.h
+++ b/src/adapter.h
@@ -233,8 +233,6 @@
 	int (*get_auth_info) (int index, bdaddr_t *bdaddr, uint8_t *auth);
 	int (*read_scan_enable) (int index);
 	int (*enable_le) (int index);
-	int (*get_remote_version) (int index, uint16_t handle,
-						gboolean delayed);
 	int (*encrypt_link) (int index, bdaddr_t *bdaddr, bt_hci_result_t cb,
 							gpointer user_data);
 	int (*set_did) (int index, uint16_t vendor, uint16_t product,
@@ -293,9 +291,6 @@
 
 void btd_adapter_update_local_ext_features(struct btd_adapter *adapter,
 						const uint8_t *features);
-int btd_adapter_get_remote_version(struct btd_adapter *adapter,
-							uint16_t handle,
-							gboolean delayed);
 
 int btd_adapter_encrypt_link(struct btd_adapter *adapter, bdaddr_t *bdaddr,
 				bt_hci_result_t cb, gpointer user_data);