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/encoding/text/decode.go b/internal/encoding/text/decode.go
index 090177a..0babddf 100644
--- a/internal/encoding/text/decode.go
+++ b/internal/encoding/text/decode.go
@@ -10,8 +10,8 @@
 	"regexp"
 	"unicode/utf8"
 
-	"github.com/golang/protobuf/v2/internal/errors"
-	"github.com/golang/protobuf/v2/reflect/protoreflect"
+	"google.golang.org/protobuf/internal/errors"
+	"google.golang.org/protobuf/reflect/protoreflect"
 )
 
 type syntaxError struct{ error }
diff --git a/internal/encoding/text/encode.go b/internal/encoding/text/encode.go
index d3e2986..c6878ee 100644
--- a/internal/encoding/text/encode.go
+++ b/internal/encoding/text/encode.go
@@ -8,8 +8,8 @@
 	"bytes"
 	"strings"
 
-	"github.com/golang/protobuf/v2/internal/detrand"
-	"github.com/golang/protobuf/v2/internal/errors"
+	"google.golang.org/protobuf/internal/detrand"
+	"google.golang.org/protobuf/internal/errors"
 )
 
 // Marshal serializes v as the proto text format, where v must be a Message.
diff --git a/internal/encoding/text/number.go b/internal/encoding/text/number.go
index 9c30a18..a2e08f9 100644
--- a/internal/encoding/text/number.go
+++ b/internal/encoding/text/number.go
@@ -12,7 +12,7 @@
 	"strconv"
 	"strings"
 
-	"github.com/golang/protobuf/v2/internal/errors"
+	"google.golang.org/protobuf/internal/errors"
 )
 
 // marshalNumber encodes v as either a Bool, Int, Uint, Float32, or Float64.
diff --git a/internal/encoding/text/string.go b/internal/encoding/text/string.go
index 6a0b730..56f13cd 100644
--- a/internal/encoding/text/string.go
+++ b/internal/encoding/text/string.go
@@ -15,7 +15,7 @@
 	"unicode/utf16"
 	"unicode/utf8"
 
-	"github.com/golang/protobuf/v2/internal/errors"
+	"google.golang.org/protobuf/internal/errors"
 )
 
 func (p *encoder) marshalString(v Value) error {
diff --git a/internal/encoding/text/text_test.go b/internal/encoding/text/text_test.go
index 2ac4bf0..97caa74 100644
--- a/internal/encoding/text/text_test.go
+++ b/internal/encoding/text/text_test.go
@@ -11,11 +11,11 @@
 	"testing"
 	"unicode/utf8"
 
-	"github.com/golang/protobuf/v2/internal/detrand"
-	"github.com/golang/protobuf/v2/internal/flags"
-	"github.com/golang/protobuf/v2/reflect/protoreflect"
 	"github.com/google/go-cmp/cmp"
 	"github.com/google/go-cmp/cmp/cmpopts"
+	"google.golang.org/protobuf/internal/detrand"
+	"google.golang.org/protobuf/internal/flags"
+	"google.golang.org/protobuf/reflect/protoreflect"
 )
 
 // Disable detrand to enable direct comparisons on outputs.
diff --git a/internal/encoding/text/value.go b/internal/encoding/text/value.go
index 2498f66..8387707 100644
--- a/internal/encoding/text/value.go
+++ b/internal/encoding/text/value.go
@@ -33,8 +33,8 @@
 	"math"
 	"strings"
 
-	"github.com/golang/protobuf/v2/internal/flags"
-	"github.com/golang/protobuf/v2/reflect/protoreflect"
+	"google.golang.org/protobuf/internal/flags"
+	"google.golang.org/protobuf/reflect/protoreflect"
 )
 
 // Type represents a type expressible in the text format.