Remove shebang from nonexecutable script

In pip this file is nonexecutable so the shebang is unnecessary.
I would propose to remove the shebang becuase it causes error
in rpmlint on Fedora.

chardet/cli/chardetect.py

@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 """
 Script which takes one or more file paths and reports on their detected
 encodings