Follow-up to r26362.
Follow-up to r26362.

Remove some 'useless checks'.

* subversion/libsvn_client/merge.c
  (do_merge, do_single_file_merge): 
   The outer block of 'merge_b->same_repos' makes the inner 
   '!merge_b->same_repos' useless.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion