Fix the content of the following pinot-docs
configuration-reference/functions/distinctcountbitmapmv.md: the content is pointing to distinctcounthllmv
configuration-reference/functions/distinctcounthllmv.md: the content is pointing to distinctcountbitmapmv.md
Fix the content of the following pinot-docs configuration-reference/functions/distinctcountbitmapmv.md: the content is pointing to distinctcounthllmv configuration-reference/functions/distinctcounthllmv.md: the content is pointing to distinctcountbitmapmv.md