Fix import paths of protos in //editions

This is an alternative to https://github.com/protocolbuffers/protobuf/pull/18247.

PiperOrigin-RevId: 676453938

editions/codegen_tests/proto2_import.proto

@@ -9,7 +9,7 @@ syntax = "proto2";
 
 package protobuf_editions_test.proto2;
 
-import "google/protobuf/editions/codegen_tests/proto2_optional.proto";
+import "editions/codegen_tests/proto2_optional.proto";
 
 message Proto2ImportMessage {
   optional Proto2Optional sub_message_field = 1;

editions/codegen_tests/proto2_proto3_enum.proto

@@ -9,7 +9,7 @@ syntax = "proto2";
 
 package protobuf_editions_test.proto2;
 
-import "google/protobuf/editions/codegen_tests/proto3_enum.proto";
+import "editions/codegen_tests/proto3_enum.proto";
 
 message Proto2ImportedEnumMessage {
   optional protobuf_editions_test.proto3.Proto3Enum enum_field = 1;

editions/codegen_tests/proto3_import.proto

@@ -9,7 +9,7 @@ syntax = "proto3";
 
 package protobuf_editions_test.proto3;
 
-import "google/protobuf/editions/codegen_tests/proto3_implicit.proto";
+import "editions/codegen_tests/proto3_implicit.proto";
 
 message Proto3ImportMessage {
   Proto3Implicit sub_message_field = 1;

editions/golden/editions_transform_proto2.proto

@@ -17,7 +17,7 @@ package protobuf_editions_test;
 import "net/proto/proto1_features.proto";
 import "google/protobuf/java_features.proto";
 import "google/protobuf/cpp_features.proto";
-import "google/protobuf/editions/proto/editions_transform_proto3.proto";
+import "editions/proto/editions_transform_proto3.proto";
 
 option features.repeated_field_encoding = EXPANDED;
 option features.utf8_validation = NONE;

editions/golden/simple_proto2_import.proto

@@ -9,7 +9,7 @@ syntax = "proto2";
 
 package protobuf_editions_test.golden;
 
-import "google/protobuf/editions/golden/simple_proto2.proto";
+import "editions/golden/simple_proto2.proto";
 
 message AnotherMessage {
   optional SimpleProto2 field = 1;

editions/proto/editions_transform_proto2.proto

@@ -7,7 +7,7 @@
 
 syntax = "proto2";
 
-import "google/protobuf/editions/proto/editions_transform_proto3.proto";
+import "editions/proto/editions_transform_proto3.proto";
 
 // This file contains various edge cases we've collected from migrating real
 // protos in order to lock down the transformations.