Revert of Fix 4444 on Vulkan devices who don't support RGBA_4444

src/gpu/vk/GrVkCaps.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrVkCaps_DEFINED
 #define GrVkCaps_DEFINED
 
@@ skipping 83 matching lines @@
             kTextureable_Flag = 0x1,
             kRenderable_Flag  = 0x2,
             kBlitSrc_Flag     = 0x4,
             kBlitDst_Flag     = 0x8,
         };
 
         uint16_t fOptimalFlags;
         uint16_t fLinearFlags;
     };
     ConfigInfo fConfigTable[kGrPixelConfigCnt];
-
+    
     StencilFormat fPreferedStencilFormat;
 
     // Tells of if we can pass in straight GLSL string into vkCreateShaderModule
     bool fCanUseGLSLForShaderModule;
 
     typedef GrCaps INHERITED;
 };
 
 #endif