remove unused import

Cython/Compiler/Scanning.py

@@ -6,7 +6,7 @@
 from __future__ import absolute_import
 
 import cython
-cython.declare(EncodedString=object, make_lexicon=object, lexicon=object,
+cython.declare(make_lexicon=object, lexicon=object,
                any_string_prefix=unicode, IDENT=unicode,
                print_function=object, error=object, warning=object,
                os=object, platform=object)
@@ -21,8 +21,6 @@ from .Errors import error, warning
 from .Lexicon import any_string_prefix, make_lexicon, IDENT
 from .Future import print_function
 
-from .StringEncoding import EncodedString
-
 debug_scanner = 0
 trace_scanner = 0
 scanner_debug_flags = 0