:wrench: remove proto3 extension

.vscode/extensions.json

@@ -22,7 +22,6 @@
     "tamasfe.even-better-toml",
     "yzhang.markdown-all-in-one",
     "davidanson.vscode-markdownlint",
-    "zxh404.vscode-proto3",
     "mrkou47.thrift-syntax-support",
     "ms-vscode-remote.remote-ssh",
     "ms-azuretools.vscode-docker",