Remove unnecessary check for sys.getfilesystemencoding

Author: Harmon758

git/compat.py

@@ -30,10 +30,7 @@
 is_win = (os.name == 'nt')
 is_posix = (os.name == 'posix')
 is_darwin = (os.name == 'darwin')
-if hasattr(sys, 'getfilesystemencoding'):
-    defenc = sys.getfilesystemencoding()
-if defenc is None:
-    defenc = sys.getdefaultencoding()
+defenc = sys.getfilesystemencoding()
 
 if PY3:
     import io