Revert of Improve GLSL integer support

src/gpu/GrCaps.cpp

Index: src/gpu/GrCaps.cpp
diff --git a/src/gpu/GrCaps.cpp b/src/gpu/GrCaps.cpp
index 750565caca24c10765c4a12eb30b2b0b28a55b59..9a3e372633035a8d406059c16f8e027db0bce8c4 100644
--- a/src/gpu/GrCaps.cpp
+++ b/src/gpu/GrCaps.cpp
@@ -15,7 +15,6 @@
     fPathRenderingSupport = false;
     fDstReadInShaderSupport = false;
     fDualSourceBlendingSupport = false;
-    fIntegerSupport = false;
     fShaderPrecisionVaries = false;
 }
 
@@ -51,7 +50,6 @@
     r.appendf("Path Rendering Support             : %s\n", gNY[fPathRenderingSupport]);
     r.appendf("Dst Read In Shader Support         : %s\n", gNY[fDstReadInShaderSupport]);
     r.appendf("Dual Source Blending Support       : %s\n", gNY[fDualSourceBlendingSupport]);
-    r.appendf("Integer Support                    : %s\n", gNY[fIntegerSupport]);
 
     r.appendf("Shader Float Precisions (varies: %s):\n", gNY[fShaderPrecisionVaries]);