[pods] Make specs green by removing linter message prefixes.
[pods] Make specs green by removing linter message prefixes.

Shawn-WangDapeng/trunk.cocoapods.org,billinghamj/trunk.cocoapods.org,CocoaPods/trunk.cocoapods.org,k0nserv/trunk.cocoapods.org,k0nserv/trunk.cocoapods.org,k0nserv/trunk.cocoapods.org,CocoaPods/trunk.cocoapods.org,billinghamj/trunk.cocoapods.org,Shawn-WangDapeng/trunk.cocoapods.org