grouper: do not boost speeds on power hints

Change-Id: I80d223e3dc36545c327c095fbb3479dbcc60f219
diff --git a/power/power.c b/power/power.c
index 691125d..d9c599c 100644
--- a/power/power.c
+++ b/power/power.c
@@ -99,23 +99,6 @@
 
     switch (hint) {
     case POWER_HINT_VSYNC:
-        if (boost_fd < 0)
-            boost_fd = open(BOOST_PATH, O_WRONLY);
-
-        if (boost_fd < 0) {
-            if (!boost_warned) {
-                strerror_r(errno, buf, sizeof(buf));
-                ALOGE("Error opening %s: %s\n", BOOST_PATH, buf);
-                boost_warned = 1;
-            }
-            break;
-        }
-
-        len = write(boost_fd, (int) data ? "1" : "0", 1);
-        if (len < 0) {
-            strerror_r(errno, buf, sizeof(buf));
-            ALOGE("Error writing to %s: %s\n", BOOST_PATH, buf);
-        }
         break;
 
     default: