Remove an unneeded include; it's inclusion throws off non-BDB builds.
Remove an unneeded include; it's inclusion throws off non-BDB builds.

* subversion/tests/libsvn_subr/skel-test.c:
  - remove include of libsvn_fs_base/fs.h


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@874763 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion