[Shell] Fixup racket_setup

dotfiles/lib/shellpath.sh

@@ -114,14 +114,12 @@ function _tex_setup {
 }
 
 function _racket_setup {
-    if command_exists; then
     if is_osx; then
         local racket_base_path="$(brew --prefix racket)"
         # XXX: Seems maybe this is not needed
         # local newest_version_number="$(ls \"$racket_base_path\" | sort -Vr | head -n1)"
         add_to_path "$racket_base_path/bin" --before
     fi
-    fi
 }
 
 function _emacs_setup {