feat[protobuf]: not support enum and extend in protobuf

protocol/src/main/java/com/zfoo/protocol/serializer/protobuf/builder/JavaBuilder.java

@@ -245,7 +245,6 @@ public class JavaBuilder {
         }
 
         nestMessageMessage(proto, cb, msg.getMessages(), defineMsgs, level, protos);
-        nestMessageEnum(cb, msg.getEnums(), level);
 
         cb.t(level - 1).c("}");
         return cb.toString();

protocol/src/main/java/com/zfoo/protocol/serializer/protobuf/wire/ProtoMessage.java

@@ -37,10 +37,6 @@ public class ProtoMessage {
      */
     private List<Reserved> reserveds;
 
-    /**
-     * 消息内置的枚举类型
-     */
-    private List<ProtoEnum> enums;
     /**
      * 消息的备注信息
      */
@@ -62,14 +58,6 @@ public class ProtoMessage {
         return this;
     }
 
-    public ProtoMessage addEnum(ProtoEnum protoEnum) {
-        if (protoEnum == null) {
-            return this;
-        }
-        getEnums().add(protoEnum);
-        return this;
-    }
-
     public ProtoMessage addReserved(Reserved reserved) {
         if (reserved == null) {
             return this;
@@ -178,33 +166,6 @@ public class ProtoMessage {
         return this;
     }
 
-
-    /**
-     * 消息内置的枚举类型
-     *
-     * @return the enums
-     */
-    public List<ProtoEnum> getEnums() {
-        if (enums == null) {
-            enums = new ArrayList<>();
-        }
-        return enums;
-    }
-
-    /**
-     * 消息内置的枚举类型
-     *
-     * @param enums the enums to set
-     */
-    public ProtoMessage setEnums(List<ProtoEnum> enums) {
-        if (enums instanceof ArrayList) {
-            this.enums = enums;
-        } else {
-            getEnums().addAll(enums);
-        }
-        return this;
-    }
-
     /**
      * 消息的备注信息
      *