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/iOS/launcher_project_ios.cmake

@@ -14,13 +14,6 @@ set(LY_LINK_OPTIONS
         -ObjC
 )
 
-if(LY_MONOLITHIC_GAME) # only Atom is supported in monolithic
-    list(APPEND LY_BUILD_DEPENDENCIES Legacy::CryRenderOther)
-else()
-    list(APPEND LY_BUILD_DEPENDENCIES CrySystem.Static)
-    set(LY_RUNTIME_DEPENDENCIES Legacy::CryRenderMetal)
-endif()
-
 # Add resources and app icons to launchers
 list(APPEND candidate_paths ${project_real_path}/Resources/Platform/iOS)
 list(APPEND candidate_paths ${project_real_path}/Gem/Resources/Platform/iOS) # Legacy projects