Revert "Add new GrSurfaceInfo class and related backend structs."

This reverts commit 6aac1193a7b6dbd1bb7adaf62df80bb93212a23d.

Reason for revert: Breaking Mac bots in Chromium roll. Looks like
they depend on getVkImageInfo for an unknown reason, and it's 
hidden behind SK_VULKAN.

Original change's description:
> Add new GrSurfaceInfo class and related backend structs.
>
> Bug: skia:12402
> Change-Id: I45b2f71dcfa5843e2a19a8de7d34196a4d552905
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/445176
> Commit-Queue: Greg Daniel <egdaniel@google.com>
> Reviewed-by: Brian Salomon <bsalomon@google.com>

Bug: skia:12402
Change-Id: I3c9642354dae8c955bc58d281700536393f84519
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/450199
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Jim Van Verth <jvanverth@google.com>
diff --git a/src/gpu/GrDirectContext.cpp b/src/gpu/GrDirectContext.cpp
index b7ba674..cc410a3 100644
--- a/src/gpu/GrDirectContext.cpp
+++ b/src/gpu/GrDirectContext.cpp
@@ -21,9 +21,9 @@
 #include "src/gpu/GrGpu.h"
 #include "src/gpu/GrResourceProvider.h"
 #include "src/gpu/GrShaderUtils.h"
-#include "src/gpu/GrThreadSafePipelineBuilder.h"
 #include "src/gpu/SurfaceContext.h"
 #include "src/gpu/effects/GrSkSLFP.h"
+#include "src/gpu/gl/GrGLGpu.h"
 #include "src/gpu/mock/GrMockGpu.h"
 #include "src/gpu/text/GrAtlasManager.h"
 #include "src/gpu/text/GrStrikeCache.h"
@@ -40,9 +40,6 @@
 };
 }
 #endif
-#ifdef SK_GL
-#include "src/gpu/gl/GrGLGpu.h"
-#endif
 #ifdef SK_METAL
 #include "include/gpu/mtl/GrMtlBackendContext.h"
 #include "src/gpu/mtl/GrMtlTrampoline.h"