[GTK] Fix huge ENABLE_RESOURCE_USAGE warning spam

Unreviewed. We shouldn't redefine ENABLE_RESOURCE_USAGE in Platform.h as
it's already defined in cmakeconfig.h.

* wtf/Platform.h:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@211672 268f45cc-cd09-0410-ab3c-d52691b4dbfc

Author: [email protected]

Source/WTF/ChangeLog

@@ -1,3 +1,12 @@
+2017-02-04  Michael Catanzaro  <[email protected]>
+
+        [GTK] Fix huge ENABLE_RESOURCE_USAGE warning spam
+
+        Unreviewed. We shouldn't redefine ENABLE_RESOURCE_USAGE in Platform.h as
+        it's already defined in cmakeconfig.h.
+
+        * wtf/Platform.h:
+
 2017-02-03  Joseph Pecoraro  <[email protected]>
 
         Performance Timing: Convert WTF::MonotonicTime and WTF::Seconds

Source/WTF/wtf/Platform.h

@@ -1110,7 +1110,7 @@
 #define USE_IOSURFACE 1
 #endif
 
-#if PLATFORM(COCOA) || PLATFORM(GTK)
+#if PLATFORM(COCOA)
 #define ENABLE_RESOURCE_USAGE 1
 #endif