Remove java_library2()

In [1] provided_deps parameter was added to java_library() rule making
our custom java_library2() unnecessary. This upstream change addresses
github issue #68 [2].

[1] https://github.com/facebook/buck/commit/cea4e34466af532744c5c1ead9f48780c128f047
[2] https://github.com/facebook/buck/pull/68

Change-Id: I51c5385ba3e4c73f209ed9213272377d53806e22

java_library2.bucklet

diff --git a/java_library2.bucklet b/java_library2.bucklet
deleted file mode 100644
index 3ecb892..0000000
--- a/java_library2.bucklet
+++ /dev/null
@@ -1,64 +0,0 @@
-# Copyright (C) 2013 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-# Compiles a Java library with additional compile-time dependencies
-# that do not show up as transitive dependencies to java_library()
-# or java_binary() rule that depends on this library.
-#
-# Example: servlet library needs to be compiled against servlet API
-# but this dependency must not become a transitive dependency.
-#
-# java_library2(
-#   name = 'gitiles-servlet',
-#   srcs = SRCS,
-#   resources = RSRC,
-#   deps = DEPS,
-#   compile_deps = ['//lib:servlet-api'],
-#   visibility = ['PUBLIC'],
-# )
-# @See: https://github.com/facebook/buck/issues/63
-#
-def java_library2(
-    name,
-    srcs = [],
-    resources = [],
-    deps = [],
-    compile_deps = [],
-    visibility = []):
-  c = name + '__compile'
-  t = name + '__link'
-  j = 'lib__%s__output/%s.jar' % (c, c)
-  o = 'lib__%s__output/%s.jar' % (name, name)
-  java_library(
-    name = c,
-    srcs = srcs,
-    resources = resources,
-    deps = deps + compile_deps,
-    visibility = visibility,
-  )
-  # Break the dependency chain by passing the newly built
-  # JAR to consumers through a prebuilt_jar().
-  genrule(
-    name = t,
-    cmd = 'mkdir -p $(dirname $OUT);ln -s $SRCS $OUT',
-    srcs = [genfile(j)],
-    deps = [':' + c],
-    out = o,
-  )
-  prebuilt_jar(
-    name = name,
-    binary_jar = genfile(o),
-    deps = deps + [':' + t],
-    visibility = visibility,
-  )