Update empty templates for go and grpc-gateway

go/BUILD.bazel

@@ -19,9 +19,7 @@ proto_plugin(
         "google/api",
         "google/protobuf",
     ],
-    options = [
-        "paths=source_relative",
-    ],
+    options = ["paths=source_relative"],
     outputs = ["{protopath}_grpc.pb.go"],
     tool = "@org_golang_google_grpc_cmd_protoc_gen_go_grpc//:protoc-gen-go-grpc",
     visibility = ["//visibility:public"],

go/empty.template

@@ -1,2 +1,2 @@
 // Written by rules_proto_grpc fixer due to missing plugin output file
-package {parent_directory_name}
+package {go_package}

grpc-gateway/BUILD.bazel

@@ -7,14 +7,8 @@ proto_plugin(
         "google/api",
         "google/protobuf",
     ],
-    outputs = [
-        "{protopath}.pb.gw.go",
-    ],
-    # Show options:
-    # $ bazel run @grpc_ecosystem_grpc_gateway//protoc-gen-grpc-gateway -- --help
-    # options = [
-    #     "logtostderr=true",
-    # ],
+    options = ["paths=source_relative"],
+    outputs = ["{protopath}.pb.gw.go"],
     tool = "@grpc_ecosystem_grpc_gateway//protoc-gen-grpc-gateway",
     visibility = ["//visibility:public"],
 )
@@ -25,14 +19,8 @@ proto_plugin(
         "google/api",
         "google/protobuf",
     ],
-    outputs = [
-        "{protopath}.swagger.json",
-    ],
-    # Show options:
-    # $ bazel run @grpc_ecosystem_grpc_gateway//protoc-gen-openapiv2 -- --help
-    # options = [
-    #     "json_names_for_fields",
-    # ],
+    options = ["paths=source_relative"],
+    outputs = ["{protopath}.swagger.json"],
     tool = "@grpc_ecosystem_grpc_gateway//protoc-gen-openapiv2",
     visibility = ["//visibility:public"],
 )

grpc-gateway/empty.template

@@ -1,2 +1,2 @@
 // Written by rules_proto_grpc fixer due to missing plugin output file
-package {parent_directory_name}
+package {go_package}