Reindent functions to remove useless quotes

This does not include checks/function.fish because that currently
includes a "; end" in a message that indent would remove, breaking the test.

share/functions/nextd.fish

@@ -1,5 +1,5 @@
 function nextd --description "Move forward in the directory history"
-    set -l options 'h/help' 'l/list'
+    set -l options h/help l/list
     argparse -n nextd --max-args=1 $options -- $argv
     or return