Delete genTextures and deleteTextures from RenderEngine

These methods are no-ops with skia and cause thread bounces in practice
so just remove these.

Bug: 270628071
Test: builds
Change-Id: I0dc549eb7c9a0d94def5a8727322ed49b010ef1f
diff --git a/services/surfaceflinger/CompositionEngine/src/ClientCompositionRequestCache.cpp b/services/surfaceflinger/CompositionEngine/src/ClientCompositionRequestCache.cpp
index 752257b..bdaa1d0 100644
--- a/services/surfaceflinger/CompositionEngine/src/ClientCompositionRequestCache.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/ClientCompositionRequestCache.cpp
@@ -41,8 +41,7 @@
 }
 
 inline bool equalIgnoringBuffer(const renderengine::Buffer& lhs, const renderengine::Buffer& rhs) {
-    return lhs.textureName == rhs.textureName &&
-            lhs.useTextureFiltering == rhs.useTextureFiltering &&
+    return lhs.useTextureFiltering == rhs.useTextureFiltering &&
             lhs.textureTransform == rhs.textureTransform &&
             lhs.usePremultipliedAlpha == rhs.usePremultipliedAlpha &&
             lhs.isOpaque == rhs.isOpaque && lhs.maxLuminanceNits == rhs.maxLuminanceNits;