Revert "Update Readback VTS to align with RenderEngine interface..."

Revert "Update WaylandRenderSurface to accomodate interface change"

Revert "Add ExternalTexture class into RenderEngine interface"

Revert submission 14086921-renderengine-external-tex

Reason for revert: Potential culprit for b/185361988
Reverted Changes:
I7796764e2:Update WaylandRenderSurface to accomodate interfac...
I13904eec4:Update Readback VTS to align with RenderEngine int...
I222c71e6e:Add ExternalTexture class into RenderEngine interf...

Change-Id: I7d58118c1c2284a04eb52e992e901d82faaf5bb0
diff --git a/graphics/composer/2.2/utils/vts/RenderEngineVts.cpp b/graphics/composer/2.2/utils/vts/RenderEngineVts.cpp
index f78dda2..3becace 100644
--- a/graphics/composer/2.2/utils/vts/RenderEngineVts.cpp
+++ b/graphics/composer/2.2/utils/vts/RenderEngineVts.cpp
@@ -69,9 +69,7 @@
                    [](renderengine::LayerSettings& settings) -> renderengine::LayerSettings* {
                        return &settings;
                    });
-    auto texture = std::make_shared<renderengine::ExternalTexture>(
-            mGraphicBuffer, *mRenderEngine, renderengine::ExternalTexture::Usage::WRITEABLE);
-    mRenderEngine->drawLayers(mDisplaySettings, compositionLayerPointers, texture, true,
+    mRenderEngine->drawLayers(mDisplaySettings, compositionLayerPointers, mGraphicBuffer, true,
                               std::move(bufferFence), &readyFence);
     int fd = readyFence.release();
     if (fd != -1) {