Removing BUCK files and other Buck-related auxiliaries.

Change-Id: I23691380efcd9bce4906695605214ed59ada0e87
diff --git a/tools/build/bazel/osgi_java_library.bzl b/tools/build/bazel/osgi_java_library.bzl
index b3497c2..e5065f7 100644
--- a/tools/build/bazel/osgi_java_library.bzl
+++ b/tools/build/bazel/osgi_java_library.bzl
@@ -320,7 +320,7 @@
             executable = True,
             cfg = "host",
             allow_files = True,
-            default = Label("//tools/build/buck-plugin:swagger_generator"),
+            default = Label("//tools/build/swagger:swagger_generator"),
         ),
         "swagger_java": attr.output(),
     },
@@ -344,7 +344,7 @@
             executable = True,
             cfg = "host",
             allow_files = True,
-            default = Label("//tools/build/buck-plugin:swagger_generator"),
+            default = Label("//tools/build/swagger:swagger_generator"),
         ),
         "swagger_json": attr.output(),
     },