all: change module to google.golang.org/protobuf

Temporarily remove go.mod, since we can't generate an accurate one until
the corresponding v1 change is submitted.

Change-Id: I1e1ad97f2b455e33f61ffaeb8676289795e47e72
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/177000
Reviewed-by: Joe Tsai <thebrokentoaster@gmail.com>
diff --git a/internal/testprotos/test/ext.pb.go b/internal/testprotos/test/ext.pb.go
index 43cf2b1..9f6915d 100644
--- a/internal/testprotos/test/ext.pb.go
+++ b/internal/testprotos/test/ext.pb.go
@@ -4,10 +4,10 @@
 package test
 
 import (
-	protoreflect "github.com/golang/protobuf/v2/reflect/protoreflect"
-	protoregistry "github.com/golang/protobuf/v2/reflect/protoregistry"
-	protoiface "github.com/golang/protobuf/v2/runtime/protoiface"
-	protoimpl "github.com/golang/protobuf/v2/runtime/protoimpl"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoregistry "google.golang.org/protobuf/reflect/protoregistry"
+	protoiface "google.golang.org/protobuf/runtime/protoiface"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	sync "sync"
 )
 
@@ -39,10 +39,10 @@
 	0x2e, 0x74, 0x65, 0x73, 0x74, 0x2e, 0x54, 0x65, 0x73, 0x74, 0x41, 0x6c, 0x6c, 0x45, 0x78, 0x74,
 	0x65, 0x6e, 0x73, 0x69, 0x6f, 0x6e, 0x73, 0x18, 0xd0, 0x0f, 0x20, 0x01, 0x28, 0x05, 0x52, 0x15,
 	0x66, 0x6f, 0x72, 0x65, 0x69, 0x67, 0x6e, 0x49, 0x6e, 0x74, 0x33, 0x32, 0x45, 0x78, 0x74, 0x65,
-	0x6e, 0x73, 0x69, 0x6f, 0x6e, 0x42, 0x38, 0x5a, 0x36, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e,
-	0x63, 0x6f, 0x6d, 0x2f, 0x67, 0x6f, 0x6c, 0x61, 0x6e, 0x67, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f,
-	0x62, 0x75, 0x66, 0x2f, 0x76, 0x32, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61, 0x6c, 0x2f,
-	0x74, 0x65, 0x73, 0x74, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x73, 0x2f, 0x74, 0x65, 0x73, 0x74,
+	0x6e, 0x73, 0x69, 0x6f, 0x6e, 0x42, 0x35, 0x5a, 0x33, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e,
+	0x67, 0x6f, 0x6c, 0x61, 0x6e, 0x67, 0x2e, 0x6f, 0x72, 0x67, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x62, 0x75, 0x66, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61, 0x6c, 0x2f, 0x74, 0x65, 0x73,
+	0x74, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x73, 0x2f, 0x74, 0x65, 0x73, 0x74,
 }
 
 var (