Update Dockerfile

Dockerfile

@@ -42,10 +42,9 @@ RUN code-server --install-extension /home/MS-CEINTL.vscode-language-pack-zh-hans
 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 git branch --set-upstream-to=origin/main main
 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
+# 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