Merge pull request #5278 from halibobo1205/feat/remove_unused_shell

feat(protocol): remove deprecated shell for protobuf

Author: halibobo1205

protocol/src/main/protos/.travis.yml

@@ -6,6 +6,3 @@
 java-tron, wallet-cli and grpc-gateway
 
 git subtree pull --prefix src/main/protos/ protocol master
-
-## Run the included *.sh files to initialize the dependencies
-