remove all option go_package in proto

Author: 317787106

protocol/src/main/protos/core/Discover.proto

@@ -4,7 +4,6 @@ package protocol;
 
 option java_package = "org.tron.protos"; //Specify the name of the package that generated the Java file
 option java_outer_classname = "Discover"; //Specify the class name of the generated Java file
-option go_package = "github.com/tronprotocol/grpc-gateway/core";
 
 message Endpoint {
   bytes address = 1;

protocol/src/main/protos/core/Tron.proto

@@ -8,7 +8,6 @@ package protocol;
 
 option java_package = "org.tron.protos"; //Specify the name of the package that generated the Java file
 option java_outer_classname = "Protocol"; //Specify the class name of the generated Java file
-option go_package = "github.com/tronprotocol/grpc-gateway/core";
 
 enum AccountType {
   Normal = 0;