Hook into `paredit-space-for-delimiter-predicates`

This prevents paredit from inserting spaces after '#' in '#(', '#{',
'#"'.

C.f. https://github.com/technomancy/clojure-mode/commit/8699952eb18ab4c739e8f7462b3326d93bd0095c
Merge pull request #333 from happy4crazy/paredit-bug

Hook into `paredit-space-for-delimiter-predicates`