Revert "add coreboost feature and enable it when display is on"

This reverts commit d9de16eb13b5a295b555bc29ec58c517139f736e

Causes 15% power regression in on-screen tests on mako.  This will revert it for Flo as well.

Change-Id: Ib7cd0bf6e225fbdc8c800f5d55a087f1fc2704eb
diff --git a/power.c b/power.c
index ac26e21..a4569a5 100644
--- a/power.c
+++ b/power.c
@@ -27,7 +27,7 @@
 
 #include <hardware/hardware.h>
 #include <hardware/power.h>
-#define BOOST_SOCKET       "/dev/socket/mpdecision/boost"
+#define TOUCHBOOST_SOCKET       "/dev/socket/mpdecision/touchboost"
 
 static int client_sockfd;
 static struct sockaddr_un client_addr;
@@ -42,7 +42,7 @@
     }
     memset(&client_addr, 0, sizeof(struct sockaddr_un));
     client_addr.sun_family = AF_UNIX;
-    snprintf(client_addr.sun_path, UNIX_PATH_MAX, BOOST_SOCKET);
+    snprintf(client_addr.sun_path, UNIX_PATH_MAX, TOUCHBOOST_SOCKET);
 }
 
 static void touch_boost()
@@ -60,35 +60,11 @@
     }
 }
 
-static void core_boost(int on)
-{
-    int rc;
-
-    if (client_sockfd < 0) {
-        ALOGE("%s: touchboost socket not created", __func__);
-        return;
-    }
-
-    if (!on) {
-        rc = sendto(client_sockfd, "2", 1, 0, (const struct sockaddr *)&client_addr, sizeof(struct sockaddr_un));
-    } else {
-        rc = sendto(client_sockfd, "3", 1, 0, (const struct sockaddr *)&client_addr, sizeof(struct sockaddr_un));
-    }
-
-    if (rc < 0) {
-        ALOGE("%s: failed to send: %s", __func__, strerror(errno));
-    }
-}
-
 static void power_set_interactive(struct power_module *module, int on)
 {
     ALOGV("%s %s", __func__, (on ? "ON" : "OFF"));
-    if (on) {
-        core_boost(1);
+    if (on)
         touch_boost();
-    } else {
-        core_boost(0);
-    }
 }
 
 static void power_hint(struct power_module *module, power_hint_t hint,