Remove GrInternalSurfaceFlags::kNoPendingIO as it is no longer needed

Since explicit allocation is always enabled now, the resource allocator explicitly manages reuse of GrSurfaces and this flag isn't used/needed.

Change-Id: I5703bf4624e21f9aff9da76575f4ef757b1d2589
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/210140
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
diff --git a/src/gpu/GrTextureRenderTargetProxy.h b/src/gpu/GrTextureRenderTargetProxy.h
index 87b9c91..852309b 100644
--- a/src/gpu/GrTextureRenderTargetProxy.h
+++ b/src/gpu/GrTextureRenderTargetProxy.h
@@ -40,7 +40,7 @@
     // Wrapped version
     GrTextureRenderTargetProxy(sk_sp<GrSurface>, GrSurfaceOrigin);
 
-    bool instantiate(GrResourceProvider*, bool dontForceNoPendingIO = false) override;
+    bool instantiate(GrResourceProvider*) override;
     sk_sp<GrSurface> createSurface(GrResourceProvider*) const override;
 
     size_t onUninstantiatedGpuMemorySize() const override;