Remove (almost) all references to pRenderer (#651)

Remove all references to pRenderer, except from the DebugDraw and LyShine Gems that are still being updated.

Code/Sandbox/Editor/MainWindow.cpp

@@ -1075,8 +1075,6 @@ void MainWindow::InitActions()
         .RegisterUpdateCallback(cryEdit, &CCryEditApp::OnUpdateSelected);
 
     // Tools actions
-    am->AddAction(ID_RELOAD_TEXTURES, tr("Reload Textures/Shaders"))
-        .SetStatusTip(tr("Reload all textures."));
     am->AddAction(ID_TOOLS_ENABLEFILECHANGEMONITORING, tr("Enable File Change Monitoring"));
     am->AddAction(ID_CLEAR_REGISTRY, tr("Clear Registry Data"))
         .SetStatusTip(tr("Clear Registry Data"));