Don't clean up haddock and profiling libs on Linux (#6972)

This was initially meant to save space in docker containers,
but breaks several use cases and runner images shouldn't have
space constraints.

Also fixes: https://github.com/haskell/actions/issues/176

images/linux/scripts/installers/haskell.sh

@@ -30,13 +30,6 @@ for majorMinorVersion in $minorMajorVersions; do
     echo "install ghc version $fullVersion..."
     ghcup install ghc $fullVersion
     ghcup set ghc $fullVersion
-
-    # remove docs and profiling libs
-    ghc_dir="$(ghcup whereis basedir)/ghc/$fullVersion"
-    [ -e "${ghc_dir}" ] || exit 1
-    find "${ghc_dir}" \( -name "*_p.a" -o -name "*.p_hi" \) -type f -delete
-    rm -r "${ghc_dir}"/share/*
-    unset ghc_bin_dir ghc_dir
 done
 
 echo "install cabal..."