Revert "compiler: start deprecating cmmToRawCmmHook"

This reverts commit 1c064ef1. Turns
out the GHC-WPC project does use it to observe Cmm in the pipeline,
see #25363.

(cherry picked from commit 525d451e)

compiler/GHC/Driver/Hooks.hs

@@ -154,8 +154,6 @@ data Hooks = Hooks
                                  -> IO (Stream IO RawCmmGroup a)))
   }
 
-{-# DEPRECATED cmmToRawCmmHook "cmmToRawCmmHook is being deprecated. If you do use it in your project, please raise a GHC issue!" #-}
-
 class HasHooks m where
     getHooks :: m Hooks
 

compiler/GHC/Driver/Main.hs

@@ -6,9 +6,6 @@
 
 {-# OPTIONS_GHC -fprof-auto-top #-}
 
--- Remove this after cmmToRawCmmHook removal
-{-# OPTIONS_GHC -Wno-deprecations #-}
-
 -------------------------------------------------------------------------------
 --
 -- | Main API for compiling plain Haskell source code.