brdiff: remove xls support temporarily

Signed-off-by: Chun Chen <chun.chen@archermind.com>
mmparse: improve procrank parser accuracy

Signed-off-by: Chun Chen <chun.chen@archermind.com>
mmpase: format report document

1. format report document
2. sync mmparse and brdiff code style

Signed-off-by: Chun Chen <chun.chen@archermind.com>