Add doc about removing resolved requirements from repo (#2807)
Add doc about removing resolved requirements from repo (#2807)

* Add doc about removing resolved requirements from repo

* fix bullets

DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core