Revert "rename maps to maps_embedded"

This reverts commit 77d88876f6.

maps.proto

@@ -1,8 +1,8 @@
 syntax = "proto3";
 
-option go_package = "git.itzana.me/strafesnet/go-grpc/maps_embedded";
+option go_package = "git.itzana.me/strafesnet/go-grpc/maps";
 
-package maps_embedded;
+package maps;
 
 service MapsService {
   rpc Get(IdMessage) returns (MapResponse);
@@ -59,4 +59,4 @@ message Pagination {
 
 message NullResponse {
 
-}
+}