Revert "Implement window rectangles in vulkan"

This reverts commit 94c0468b2b4255e3beed81efdcfbf6d9d39e11e4.

Reason for revert: <INSERT REASONING HERE>

Original change's description:
> Implement window rectangles in vulkan
> 
> Bug: skia:
> Change-Id: I32c079b90a5503c797dfc073a093f940cd8c550a
> Reviewed-on: https://skia-review.googlesource.com/65423
> Commit-Queue: Chris Dalton <csmartdalton@google.com>
> Reviewed-by: Greg Daniel <egdaniel@google.com>
> Reviewed-by: Brian Salomon <bsalomon@google.com>

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

Change-Id: I5a90cb57fb5d4bcf8c7e76a5f71a7f16edbaf6be
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:
Reviewed-on: https://skia-review.googlesource.com/67060
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Jim Van Verth <jvanverth@google.com>
diff --git a/src/gpu/GrRenderTargetContextPriv.h b/src/gpu/GrRenderTargetContextPriv.h
index a7f0070..2cfd5c8 100644
--- a/src/gpu/GrRenderTargetContextPriv.h
+++ b/src/gpu/GrRenderTargetContextPriv.h
@@ -44,7 +44,7 @@
 
     void clear(const GrFixedClip&, const GrColor, bool canIgnoreClip);
 
-    void clearStencilClip(const GrFixedClip&, bool insideStencilMask, bool canIgnoreClip);
+    void clearStencilClip(const GrFixedClip&, bool insideStencilMask);
 
     /*
      * Some portions of the code, which use approximate-match rendertargets (i.e., ImageFilters),