Revert "added skeletal animation support to GPU backend"

This reverts commit b6307340e8a6a9d3a7517def7f5eaaadffd07d14.

Reason for revert: patch/atlas failing in gold

Original change's description:
> added skeletal animation support to GPU backend
> 
> added caching of SkVertices
> 
> Docs-Preview: https://skia.org/?cl=138596
> Bug: skia:
> Change-Id: Ia750f55f5f6d0de250d9e9c5619f4d1ac856f9f5
> Reviewed-on: https://skia-review.googlesource.com/138596
> Reviewed-by: Brian Osman <brianosman@google.com>
> Reviewed-by: Robert Phillips <robertphillips@google.com>
> Commit-Queue: Ruiqi Mao <ruiqimao@google.com>

TBR=robertphillips@google.com,brianosman@google.com,reed@google.com,ruiqimao@google.com

Change-Id: Idfaf016a7ff4cdd8af2543d510706f489d04417a
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:
Reviewed-on: https://skia-review.googlesource.com/139281
Reviewed-by: Ruiqi Mao <ruiqimao@google.com>
Commit-Queue: Ruiqi Mao <ruiqimao@google.com>
diff --git a/src/gpu/SkGpuDevice.cpp b/src/gpu/SkGpuDevice.cpp
index f1e5270..a665517 100644
--- a/src/gpu/SkGpuDevice.cpp
+++ b/src/gpu/SkGpuDevice.cpp
@@ -365,7 +365,7 @@
                                                       nullptr);
 
     fRenderTargetContext->drawVertices(this->clip(), std::move(grPaint), *viewMatrix,
-                                       std::move(vertices), nullptr, 0, &primitiveType);
+                                       std::move(vertices), &primitiveType);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -1480,9 +1480,7 @@
 }
 
 void SkGpuDevice::wireframeVertices(SkVertices::VertexMode vmode, int vertexCount,
-                                    const SkPoint vertices[],
-                                    const SkMatrix bones[], int boneCount,
-                                    SkBlendMode bmode,
+                                    const SkPoint vertices[], SkBlendMode bmode,
                                     const uint16_t indices[], int indexCount,
                                     const SkPaint& paint) {
     ASSERT_SINGLE_OWNER
@@ -1540,13 +1538,12 @@
                                        std::move(grPaint),
                                        this->ctm(),
                                        builder.detach(),
-                                       bones,
-                                       boneCount,
                                        &primitiveType);
 }
 
-void SkGpuDevice::drawVertices(const SkVertices* vertices, const SkMatrix bones[], int boneCount,
+void SkGpuDevice::drawVertices(const SkVertices* vertices, const SkMatrix* bones, int boneCount,
                                SkBlendMode mode, const SkPaint& paint) {
+    // TODO: GPU ANIMATION
     ASSERT_SINGLE_OWNER
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawVertices", fContext.get());
 
@@ -1557,8 +1554,7 @@
     if ((!hasTexs || !paint.getShader()) && !hasColors) {
         // The dreaded wireframe mode. Fallback to drawVertices and go so slooooooow.
         this->wireframeVertices(vertices->mode(), vertices->vertexCount(), vertices->positions(),
-                                bones, boneCount, mode, vertices->indices(), vertices->indexCount(),
-                                paint);
+                                mode, vertices->indices(), vertices->indexCount(), paint);
         return;
     }
     if (!init_vertices_paint(fContext.get(), fRenderTargetContext->colorSpaceInfo(), paint,
@@ -1566,8 +1562,7 @@
         return;
     }
     fRenderTargetContext->drawVertices(this->clip(), std::move(grPaint), this->ctm(),
-                                       sk_ref_sp(const_cast<SkVertices*>(vertices)),
-                                       bones, boneCount);
+                                       sk_ref_sp(const_cast<SkVertices*>(vertices)));
 }
 
 ///////////////////////////////////////////////////////////////////////////////