Revert of Refactor GrBufferAllocPools to use resource cache

src/gpu/gl/GrGLCaps.cpp

Index: src/gpu/gl/GrGLCaps.cpp
diff --git a/src/gpu/gl/GrGLCaps.cpp b/src/gpu/gl/GrGLCaps.cpp
index 0c53006bd214e369efc471779b0f5ffcc8db878c..b23619d8b6d600677431f14f5145867d48b45098 100644
--- a/src/gpu/gl/GrGLCaps.cpp
+++ b/src/gpu/gl/GrGLCaps.cpp
@@ -414,11 +414,6 @@
     fReuseScratchTextures = kARM_GrGLVendor != ctxInfo.vendor() &&
                             kQualcomm_GrGLVendor != ctxInfo.vendor();
 
-#if 0
-    fReuseScratchBuffers = kARM_GrGLVendor != ctxInfo.vendor() &&
-                           kQualcomm_GrGLVendor != ctxInfo.vendor();
-#endif
-
     if (GrGLCaps::kES_IMG_MsToTexture_MSFBOType == fMSFBOType) {
         GR_GL_GetIntegerv(gli, GR_GL_MAX_SAMPLES_IMG, &fMaxSampleCount);
     } else if (GrGLCaps::kNone_MSFBOType != fMSFBOType) {