no more secrets

Dockerfile

@@ -8,10 +8,7 @@ apt install -y git curl && \
 curl -s https://packagecloud.io/install/repositories/github/git-lfs/script.deb.sh | bash && \
 apt-get install -y git-lfs
 
-RUN --mount=type=secret,id=github_username,required=true --mount=type=secret,id=github_token,required=true \
-    GITHUB_USERNAME=$(cat /run/secrets/github_username) && \
-    GITHUB_TOKEN=$(cat /run/secrets/github_token) && \
-    git clone https://$GITHUB_USERNAME:$GITHUB_TOKEN@github.com/facebookresearch/meta-agents-research-environments.git && \
+RUN git clone https://$GITHUB_USERNAME:$GITHUB_TOKEN@github.com/facebookresearch/meta-agents-research-environments.git && \
     cd meta-agents-research-environments && \
     git lfs install && \
     git lfs pull && \