Remove various uses of GrPixelConfig from GrSurfaceProxy.

Bug: skia:6718
Change-Id: I96e15f92a7a8db2b2a1445baa83c67dd25cc2a96
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/264423
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
diff --git a/src/gpu/GrTextureProxy.cpp b/src/gpu/GrTextureProxy.cpp
index 2d2f766..a6b0e9e 100644
--- a/src/gpu/GrTextureProxy.cpp
+++ b/src/gpu/GrTextureProxy.cpp
@@ -151,8 +151,7 @@
                                                         const GrSurfaceProxy* second) {
     // In order to be compatible, the proxies should also have the same texture type. This is
     // checked explicitly since the GrBackendFormat == operator does not compare texture type
-    return first->config() == second->config() &&
-           first->backendFormat().textureType() == second->backendFormat().textureType() &&
+    return first->backendFormat().textureType() == second->backendFormat().textureType() &&
            first->backendFormat() == second->backendFormat();
 }