Remove branch names from .gitmodules
Remove branch names from .gitmodules

Ensures compatibility with some clients, and 'master' is the default anyway.

vwxyzh/YamlDotNet,steinbitglis/YamlDotNet,aaubry/YamlDotNet,aaubry/YamlDotNet,aaubry/YamlDotNet,vwxyzh/YamlDotNet,steinbitglis/YamlDotNet