Revert "[lldb-vscode] Fix TestVSCode_module"

This reverts commit 881af6eb.

Revert "[lldb-vscode] Add Compile Unit List to Modules View"
This reverts commit 03ef6103.

Revert "[lldb-vscode] Add Support for Module Event"
This reverts commit f7f80159.

The debian buildbot has reported issues with the modules test.
http://lab.llvm.org:8011/builders/lldb-x86_64-debian/builds/13767/steps/test/logs/stdio

Reverting it for now.