Vulkan: Remove ensure init from updateActiveImages.

The ensure should already be triggered from the front-end.

Bug: angleproject:3539
Bug: angleproject:3887
Change-Id: Ic7ee10f9c767440e55befb929b414c0c894754c9
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2046051
Reviewed-by: Tim Van Patten <timvp@google.com>
Reviewed-by: Cody Northrop <cnorthrop@google.com>
Commit-Queue: Jamie Madill <jmadill@chromium.org>

src/libANGLE/renderer/vulkan/ContextVk.cpp

@@ -3437,12 +3437,6 @@ angle::Result ContextVk::updateActiveImages(const gl::Context *context,
         // lingering staged updates in its staging buffer for unused texture mip levels or
         // layers. Therefore we can't verify it has no staged updates right here.
 
-        // TODO(syoussefi): make sure front-end syncs textures that are used as images (they are
-        // already notified of content change).
-        // Test: SimpleStateChangeTestES31.DispatchWithImageTextureTexSubImageThenDispatchAgain
-        // http://anglebug.com/3539
-        ANGLE_TRY(textureVk->ensureImageInitialized(this, ImageMipLevels::EnabledLevels));
-
         vk::ImageLayout imageLayout = vk::ImageLayout::AllGraphicsShadersWrite;
         if (program->isCompute())
         {