Remove unused VERSION from lib/jackson/BUILD

Change-Id: Ic0286cad0e3c7bf483d37950f4cfc1fc4915b563
diff --git a/lib/jackson/BUILD b/lib/jackson/BUILD
index 9bf8f04..3bc0a2b 100644
--- a/lib/jackson/BUILD
+++ b/lib/jackson/BUILD
@@ -1,7 +1,5 @@
 package(default_visibility = ["//visibility:public"])
 
-VERSION = "2.6.6"
-
 java_library(
     name = "jackson-core",
     data = ["//lib:LICENSE-Apache2.0"],