Revert "Store GrSwizzle on proxies for texturing and swizzling."

This reverts commit 23093135d17427ef59385761d2d729ada6d961cf.

Reason for revert: Breaking Google3 :(

Original change's description:
> Store GrSwizzle on proxies for texturing and swizzling.
> 
> Bug: skia: 6718
> Change-Id: I023d7507da9334e984ac8209a32323d616b3d79d
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/214305
> Reviewed-by: Brian Salomon <bsalomon@google.com>
> Commit-Queue: Greg Daniel <egdaniel@google.com>

TBR=egdaniel@google.com,bsalomon@google.com,robertphillips@google.com

Change-Id: Ie2303ad090f58de07db7b0ac2d42e06e5e5bbcc1
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia: 6718
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/221338
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/GrRenderTargetProxy.cpp b/src/gpu/GrRenderTargetProxy.cpp
index c90ff98..bd453c8 100644
--- a/src/gpu/GrRenderTargetProxy.cpp
+++ b/src/gpu/GrRenderTargetProxy.cpp
@@ -21,12 +21,10 @@
 // cases to make the sampleConfig/numSamples stuff more rational.
 GrRenderTargetProxy::GrRenderTargetProxy(const GrCaps& caps, const GrBackendFormat& format,
                                          const GrSurfaceDesc& desc, GrSurfaceOrigin origin,
-                                         const GrSwizzle& textureSwizzle,
-                                         const GrSwizzle& outputSwizzle, SkBackingFit fit,
-                                         SkBudgeted budgeted, GrInternalSurfaceFlags surfaceFlags)
-        : INHERITED(format, desc, origin, textureSwizzle, fit, budgeted, surfaceFlags)
+                                         SkBackingFit fit, SkBudgeted budgeted,
+                                         GrInternalSurfaceFlags surfaceFlags)
+        : INHERITED(format, desc, origin, fit, budgeted, surfaceFlags)
         , fSampleCnt(desc.fSampleCnt)
-        , fOutputSwizzle(outputSwizzle)
         , fNeedsStencil(false)
         , fWrapsVkSecondaryCB(WrapsVkSecondaryCB::kNo) {
     // Since we know the newly created render target will be internal, we are able to precompute
@@ -40,14 +38,12 @@
 GrRenderTargetProxy::GrRenderTargetProxy(LazyInstantiateCallback&& callback,
                                          LazyInstantiationType lazyType,
                                          const GrBackendFormat& format, const GrSurfaceDesc& desc,
-                                         GrSurfaceOrigin origin, const GrSwizzle& textureSwizzle,
-                                         const GrSwizzle& outputSwizzle, SkBackingFit fit,
+                                         GrSurfaceOrigin origin,  SkBackingFit fit,
                                          SkBudgeted budgeted, GrInternalSurfaceFlags surfaceFlags,
                                          WrapsVkSecondaryCB wrapsVkSecondaryCB)
-        : INHERITED(std::move(callback), lazyType, format, desc, origin, textureSwizzle, fit,
-                    budgeted, surfaceFlags)
+        : INHERITED(std::move(callback), lazyType, format, desc, origin, fit, budgeted,
+                    surfaceFlags)
         , fSampleCnt(desc.fSampleCnt)
-        , fOutputSwizzle(outputSwizzle)
         , fNeedsStencil(false)
         , fWrapsVkSecondaryCB(wrapsVkSecondaryCB) {
     SkASSERT(SkToBool(kRenderTarget_GrSurfaceFlag & desc.fFlags));
@@ -55,12 +51,9 @@
 
 // Wrapped version
 GrRenderTargetProxy::GrRenderTargetProxy(sk_sp<GrSurface> surf, GrSurfaceOrigin origin,
-                                         const GrSwizzle& textureSwizzle,
-                                         const GrSwizzle& outputSwizzle,
                                          WrapsVkSecondaryCB wrapsVkSecondaryCB)
-        : INHERITED(std::move(surf), origin, textureSwizzle, SkBackingFit::kExact)
+        : INHERITED(std::move(surf), origin, SkBackingFit::kExact)
         , fSampleCnt(fTarget->asRenderTarget()->numStencilSamples())
-        , fOutputSwizzle(outputSwizzle)
         , fNeedsStencil(false)
         , fWrapsVkSecondaryCB(wrapsVkSecondaryCB) {
 }