Revert of Work around for nexus 6 TexSubImage issue

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 ccedc98bb5462fd2914518ea7b0d6ab31d5333fc..63e215f58561ae4f6fecc538875933e6914e3e02 100644
--- a/src/gpu/gl/GrGLCaps.cpp
+++ b/src/gpu/gl/GrGLCaps.cpp
@@ -421,10 +421,6 @@
         fUseDrawInsteadOfClear = true;
     }
 
-    if (kAdreno4xx_GrGLRenderer == ctxInfo.renderer()) {
-        fUseDrawInsteadOfPartialTextureWrite = true;
-    }
-
     if (kGL_GrGLStandard == standard) {
         // ARB allows mixed size FBO attachments, EXT does not.
         if (ctxInfo.version() >= GR_GL_VER(3, 0) ||