Update Dockerfile

Dockerfile

@@ -35,16 +35,11 @@ RUN code-server --install-extension /home/cph-ng-0.5.5.vsix
 RUN code-server --install-extension /home/vscode-luogu.vsix
 RUN code-server --install-extension hediet.vscode-drawio
 RUN code-server --install-extension formulahendry.code-runner
-RUN code-server --install-extension /home/MS-CEINTL.vscode-language-pack-zh-hans-1.106.0.vsix
-# COPY languagepacks.json /home/coder/.local/share/code-server/
-# COPY argv.json /home/coder/.local/share/code-server/User/
 
 RUN git config --global user.name "Save-it"
 RUN git config --global user.email "lin2011746853@outlook.com"
 RUN git clone https://github.com/Save-it/cpp_competition.git /home/coder/cpp_competition
 RUN echo '*.exe' > /home/coder/cpp_competition/.gitignore
-# RUN git config --global credential.helper store
-# RUN echo "https://Save-it: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@github.com" > ~/.git-credentials
 
 # 设置环境变量
 ENV TZ=Asia/Shanghai