Revert "[lldb-vscode] Creating a new flag for adjusting the behavior of...

Revert "[lldb-vscode] Creating a new flag for adjusting the behavior of evaluation repl expressions to allow users to more easily invoke lldb commands."

This reverts commit 16317f1c.

Reverting because of test failures:

******************** TEST 'lldb-api :: tools/lldb-vscode/console/TestVSCode_console.py' FAILED ********************
Script:
--
/usr/local/Frameworks/Python.framework/Versions/3.10/bin/python3.10 /Users/buildslave/jenkins/workspace/lldb-cmake/llvm-project/lldb/test/API/dotest.py -u CXXFLAGS -u CFLAGS --codesign-identity lldb_codesign --env LLVM_LIBS_DIR=/Users/buildslave/jenkins/workspace/lldb-cmake/lldb-build/./lib --env LLVM_INCLUDE_DIR=/Users/buildslave/jenkins/workspace/lldb-cmake/lldb-build/include --env LLVM_TOOLS_DIR=/Users/buildslave/jenkins/workspace/lldb-cmake/lldb-build/./bin --libcxx-include-dir /Users/buildslave/jenkins/workspace/lldb-cmake/lldb-build/include/c++/v1 --libcxx-library-dir /Users/buildslave/jenkins/workspace/lldb-cmake/lldb-build/l...