(free_parent_path): Removed, and removed all calls.  This was the only caller of the now-defunct svn_fs__dag_close.  We're not freeing at this granularity anymore.
(free_parent_path): Removed, and removed all calls.  This was the only
caller of the now-defunct svn_fs__dag_close.  We're not freeing at
this granularity anymore.

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