Remove legacy InfoExtractors file

diff --git a/youtube_dl/InfoExtractors.py b/youtube_dl/InfoExtractors.py
deleted file mode 100755 (executable)
index 672ef9e..0000000
--- a/youtube_dl/InfoExtractors.py
+++ /dev/null
@@ -1,4 +0,0 @@
-# Legacy file for backwards compatibility, use youtube_dl.extractor instead!
-
-from .extractor.common import InfoExtractor, SearchInfoExtractor
-from .extractor import gen_extractors, get_info_extractor