Revert "Support coloring functionality on Windows (#127)" (#129)
Revert "Support coloring functionality on Windows (#127)" (#129)

This reverts commit 577628282fd6b048eec139bedb182227a587e25c.
kyuridenamida/atcoder-tools,kyuridenamida/atcoder-tools,kyuridenamida/atcoder-tools,kyuridenamida/atcoder-tools,kyuridenamida/atcoder-tools,kyuridenamida/ToolsForAtCoder,kyuridenamida/atcoder-tools,kyuridenamida/ToolsForAtCoder,kyuridenamida/atcoder-tools,kyuridenamida/atcoder-tools,kyuridenamida/atcoder-tools,kyuridenamida/atcoder-tools,kyuridenamida/atcoder-tools