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/legacy/file_test.go b/internal/legacy/file_test.go
index c8d9af5..268172c 100644
--- a/internal/legacy/file_test.go
+++ b/internal/legacy/file_test.go
@@ -11,26 +11,26 @@
 	"reflect"
 	"testing"
 
-	legacy "github.com/golang/protobuf/v2/internal/legacy"
-	pragma "github.com/golang/protobuf/v2/internal/pragma"
-	"github.com/golang/protobuf/v2/proto"
-	pdesc "github.com/golang/protobuf/v2/reflect/protodesc"
-	pref "github.com/golang/protobuf/v2/reflect/protoreflect"
-	descriptorpb "github.com/golang/protobuf/v2/types/descriptor"
 	cmp "github.com/google/go-cmp/cmp"
+	legacy "google.golang.org/protobuf/internal/legacy"
+	pragma "google.golang.org/protobuf/internal/pragma"
+	"google.golang.org/protobuf/proto"
+	pdesc "google.golang.org/protobuf/reflect/protodesc"
+	pref "google.golang.org/protobuf/reflect/protoreflect"
+	descriptorpb "google.golang.org/protobuf/types/descriptor"
 
-	proto2_20160225 "github.com/golang/protobuf/v2/internal/testprotos/legacy/proto2.v0.0.0-20160225-2fc053c5"
-	proto2_20160519 "github.com/golang/protobuf/v2/internal/testprotos/legacy/proto2.v0.0.0-20160519-a4ab9ec5"
-	proto2_20180125 "github.com/golang/protobuf/v2/internal/testprotos/legacy/proto2.v1.0.0-20180125-92554152"
-	proto2_20180430 "github.com/golang/protobuf/v2/internal/testprotos/legacy/proto2.v1.1.0-20180430-b4deda09"
-	proto2_20180814 "github.com/golang/protobuf/v2/internal/testprotos/legacy/proto2.v1.2.0-20180814-aa810b61"
-	proto2_20181126 "github.com/golang/protobuf/v2/internal/testprotos/legacy/proto2.v1.2.1-20181126-8d0c54c1"
-	proto3_20160225 "github.com/golang/protobuf/v2/internal/testprotos/legacy/proto3.v0.0.0-20160225-2fc053c5"
-	proto3_20160519 "github.com/golang/protobuf/v2/internal/testprotos/legacy/proto3.v0.0.0-20160519-a4ab9ec5"
-	proto3_20180125 "github.com/golang/protobuf/v2/internal/testprotos/legacy/proto3.v1.0.0-20180125-92554152"
-	proto3_20180430 "github.com/golang/protobuf/v2/internal/testprotos/legacy/proto3.v1.1.0-20180430-b4deda09"
-	proto3_20180814 "github.com/golang/protobuf/v2/internal/testprotos/legacy/proto3.v1.2.0-20180814-aa810b61"
-	proto3_20181126 "github.com/golang/protobuf/v2/internal/testprotos/legacy/proto3.v1.2.1-20181126-8d0c54c1"
+	proto2_20160225 "google.golang.org/protobuf/internal/testprotos/legacy/proto2.v0.0.0-20160225-2fc053c5"
+	proto2_20160519 "google.golang.org/protobuf/internal/testprotos/legacy/proto2.v0.0.0-20160519-a4ab9ec5"
+	proto2_20180125 "google.golang.org/protobuf/internal/testprotos/legacy/proto2.v1.0.0-20180125-92554152"
+	proto2_20180430 "google.golang.org/protobuf/internal/testprotos/legacy/proto2.v1.1.0-20180430-b4deda09"
+	proto2_20180814 "google.golang.org/protobuf/internal/testprotos/legacy/proto2.v1.2.0-20180814-aa810b61"
+	proto2_20181126 "google.golang.org/protobuf/internal/testprotos/legacy/proto2.v1.2.1-20181126-8d0c54c1"
+	proto3_20160225 "google.golang.org/protobuf/internal/testprotos/legacy/proto3.v0.0.0-20160225-2fc053c5"
+	proto3_20160519 "google.golang.org/protobuf/internal/testprotos/legacy/proto3.v0.0.0-20160519-a4ab9ec5"
+	proto3_20180125 "google.golang.org/protobuf/internal/testprotos/legacy/proto3.v1.0.0-20180125-92554152"
+	proto3_20180430 "google.golang.org/protobuf/internal/testprotos/legacy/proto3.v1.1.0-20180430-b4deda09"
+	proto3_20180814 "google.golang.org/protobuf/internal/testprotos/legacy/proto3.v1.2.0-20180814-aa810b61"
+	proto3_20181126 "google.golang.org/protobuf/internal/testprotos/legacy/proto3.v1.2.1-20181126-8d0c54c1"
 )
 
 func mustLoadFileDesc(b []byte, _ []int) pref.FileDescriptor {