Remove GrTextureStorageAllocator. This was added from Chromium but never used and not expected to b…

src/gpu/gl/GrGLTexture.cpp

Index: src/gpu/gl/GrGLTexture.cpp
diff --git a/src/gpu/gl/GrGLTexture.cpp b/src/gpu/gl/GrGLTexture.cpp
index aff91ebe223fb113ca5e986f45cb50e96b952494..ea02274ad72ad046295c78e70ba1effbcafcbdee 100644
--- a/src/gpu/gl/GrGLTexture.cpp
+++ b/src/gpu/gl/GrGLTexture.cpp
@@ -58,13 +58,7 @@ void GrGLTexture::init(const GrSurfaceDesc& desc, const IDDesc& idDesc) {
 void GrGLTexture::onRelease() {
     if (fInfo.fID) {
         if (GrGpuResource::kBorrowed_LifeCycle != fTextureIDLifecycle) {
-            if (this->desc().fTextureStorageAllocator.fDeallocateTextureStorage) {
-                this->desc().fTextureStorageAllocator.fDeallocateTextureStorage(
-                        this->desc().fTextureStorageAllocator.fCtx,
-                        reinterpret_cast<GrBackendObject>(&fInfo));
-            } else {
-                GL_CALL(DeleteTextures(1, &fInfo.fID));
-            }
+            GL_CALL(DeleteTextures(1, &fInfo.fID));
         }
         fInfo.fID = 0;
     }