Remove analyzer suppression of  analyze_library/lib/_internal/pub/lib/src/executable

This started passing after:
https://code.google.com/p/dart/source/detail?r=39787

Review URL: https://codereview.chromium.org//537493002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@39791 260f80e4-7a28-3924-810f-c04153c831b5
1 file changed