Removed cruft

MANIFEST.in

@@ -9,14 +9,7 @@ include README.md
 
 # sources
 recursive-include dlib **
-recursive-exclude dlib/test **
-recursive-exclude dlib/build **
-recursive-exclude docs **
-recursive-include python_examples *.txt *.py *.bat
-recursive-exclude python_examples/build **
+recursive-include python_examples *.txt *.py 
 recursive-include tools/python **
-recursive-exclude tools/python/build **
 
-# dlib package
-recursive-include dist/dlib **