Remove github.copilot-chat extension installation

Removed installation of github.copilot-chat extension from Dockerfile.

Author: Michael-lthtr

Dockerfile

@@ -35,8 +35,8 @@ RUN code-server --install-extension charliermarsh.ruff \
   && code-server --install-extension mtxr.sqltools \
   && code-server --install-extension njpwerner.autodocstring \
   && code-server --install-extension tobikodata.sqlmesh \
-  && code-server --install-extension vsix/github.copilot-1.350.0-web.vsix --force \
-  && code-server --install-extension vsix/github.copilot-chat-0.29.0.vsix --force
+  && code-server --install-extension vsix/github.copilot-1.350.0-web.vsix --force 
+#  && code-server --install-extension vsix/github.copilot-chat-0.29.0.vsix --force
 
 # RUN code-server --install-extension charliermarsh.ruff 
 # RUN code-server --install-extension databricks.databricks