Fix broken refactoring.

Change-Id: Ia4e383bbb751d903fba4e38a1aa6850c93fe3a12

tools/create_r8lib.py

diff --git a/tools/create_r8lib.py b/tools/create_r8lib.py
index 056aa32..b0cd026 100755
--- a/tools/create_r8lib.py
+++ b/tools/create_r8lib.py
@@ -40,8 +40,6 @@
       help='Additional libraries (JDK 1.8 rt.jar already included)')
   return parser.parse_args()
 
-def compile_version_extractor(r8jar):
-
 def get_r8_version(r8jar):
   with utils.TempDir() as temp:
     name = os.path.join(temp, "VersionExtractor.java")