Remove unnecessary dependencies

Since [1] dependencies to targets used in $(location //path/to:target)
macro are added implicitly.

Similar build rules simplification was applied in I6c8ddb40ef and in
Id98257e111.

[1] https://github.com/facebook/buck/issues/128

Change-Id: Ife9717f37a9cdf55358da61b7e9df26fdf23c501

gerrit-antlr/BUCK

@@ -25,7 +25,6 @@ java_library(
 genrule(
   name = 'query_link',
   cmd = 'ln -s $(location :lib) $OUT',
-  deps = [':lib'],
   out = 'query_parser.jar',
 )
 

lib/prolog/prolog.defs

@@ -33,7 +33,6 @@ def prolog_cafe_library(
   genrule(
     name = name + '__ln',
     cmd = 'ln -s $(location :%s__lib) $OUT' % name,
-    deps = [':%s__lib' % name],
     out = name + '.jar',
   )
   prebuilt_jar(