lib/oe/path: remove duplicate import

There's no need to import glob inside copyhardlinktree() as it's
already imported for the entire path module.

(From OE-Core rev: 42dc4695da136a15bebb7525b1da5c2722b10a28)

Signed-off-by: Joshua Lock <joshua.g.lock@intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oe/path.py

@@ -81,7 +81,6 @@ def copyhardlinktree(src, dst):
         subprocess.check_output(cmd, shell=True, stderr=subprocess.STDOUT)
         source = ''
         if os.path.isdir(src):
-            import glob
             if len(glob.glob('%s/.??*' % src)) > 0:
                 source = '%s/.??* ' % src
             source = source + '%s/*' % src