Fix Characteristic read by UUID on gatttool

The Characteristic read by UUID GATT procedure is not incremental, i.e.
it returns the entire list in a single Read By Type request. Therefore
it should not be called recursively.
diff --git a/attrib/gatttool.c b/attrib/gatttool.c
index 0dfbc04..be91967 100644
--- a/attrib/gatttool.c
+++ b/attrib/gatttool.c
@@ -273,12 +273,6 @@
 
 	att_data_list_free(list);
 
-	gatt_read_char_by_uuid(char_data->attrib, char_data->start,
-					char_data->end, opt_uuid,
-					char_read_by_uuid_cb,
-					char_data);
-
-	return;
 done:
 	g_free(char_data);
 	g_main_loop_quit(event_loop);
diff --git a/attrib/interactive.c b/attrib/interactive.c
index 3fafb1e..9a55641 100644
--- a/attrib/interactive.c
+++ b/attrib/interactive.c
@@ -315,14 +315,8 @@
 
 	att_data_list_free(list);
 
-	gatt_read_char_by_uuid(attrib, char_data->start, char_data->end,
-					&char_data->uuid, char_read_by_uuid_cb,
-					char_data);
-
 	rl_forced_update_display();
 
-	return;
-
 done:
 	g_free(char_data);
 }