Remove google_java_format dependency

This dependency is only needed by the internal version of Dagger, which
hasn't been rolled out to the public yet.
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=116097182

third_party/java/dagger/BUILD

@@ -37,7 +37,6 @@ java_library(
         "@dagger_compiler//jar",
         ":dagger-producers",
         ":dagger-runtime",
-        "//third_party/java/google_java_format:lib",
         "//third_party/java/javapoet",
     ],
 )

third_party/java/google_java_format/BUILD

@@ -1,12 +0,0 @@
-package(default_visibility = ["//visibility:public"])
-
-licenses(["notice"])  # Apache 2.0, portions NCSA
-
-java_library(
-    name = "lib",
-    exports = [
-        "@bazel_tools//third_party:guava",
-        "@eclipse_jdt_core//jar",
-        "@google_java_format//jar",
-    ],
-)