Regenerate all stuff.

common/proto/config/service_config.pb.go

Index: common/proto/config/service_config.pb.go
diff --git a/common/proto/config/service_config.pb.go b/common/proto/config/service_config.pb.go
index 263052ddc8a2c71b1cbb49b6bc0ca24bed829af9..340afbbbbfc1756c4bf6c3ca9eac6cfed22b9b9c 100644
--- a/common/proto/config/service_config.pb.go
+++ b/common/proto/config/service_config.pb.go
@@ -1,6 +1,5 @@
-// Code generated by protoc-gen-go.
+// Code generated by protoc-gen-go. DO NOT EDIT.
 // source: github.com/luci/luci-go/common/proto/config/service_config.proto
-// DO NOT EDIT!
 
 package config
 
@@ -609,7 +608,7 @@ func init() {
 
 var fileDescriptor1 = []byte{
 	// 815 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x9c, 0x54, 0x6d, 0x6f, 0xe3, 0x44,
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x9c, 0x54, 0x6d, 0x6f, 0xe3, 0x44,
 	0x10, 0x26, 0xee, 0x4b, 0xe2, 0x49, 0xe9, 0xf9, 0x56, 0xa5, 0xe7, 0x2b, 0x02, 0x15, 0x4b, 0x27,
 	0x85, 0xb7, 0x94, 0x2b, 0xf0, 0xe5, 0x10, 0x12, 0x69, 0x9b, 0x0b, 0x91, 0x7a, 0xbd, 0x6a, 0xd3,
 	0x1e, 0x9f, 0x90, 0xb5, 0x38, 0x63, 0xc7, 0xc8, 0xf6, 0xfa, 0x76, 0x37, 0x81, 0xfe, 0x0b, 0x3e,