Red code legacy renderer (#383)

- Remove some references to gEnv->pRenderer/GetIEditor()->GetRenderer() that is now always null.
- Restore the debug console to existence.
- Stop building the following in preparation for their removal:

Code/CryEngine/Cry3DEngine/*
Code/CryEngine/RenderDll/*
Code/Tools/CryFXC/*
Code/Tools/HLSLCrossCompiler/*
Code/Tools/HLSLCrossCompilerMETAL/*
Code/Tools/RC/*
Code/Tools/ShaderCacheGen/*
Tools/CrySCompileServer/*

Code/LauncherUnified/Platform/Windows/launcher_project_windows.cmake

@@ -9,11 +9,6 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 #
 
-set(LY_BUILD_DEPENDENCIES
-    PRIVATE
-        Legacy::CryRenderD3D11
-)
-
 set(ICON_FILE ${project_real_path}/Gem/Resources/GameSDK.ico)
 if(NOT EXISTS ${ICON_FILE})
     # Try the common LauncherUnified icon instead