.coafile: Remove trailing globstars
.coafile: Remove trailing globstars

According to coala's warnings.

SanketDG/coala,jayvdb/coala,jayvdb/coala,coala/coala,coala-analyzer/coala,coala-analyzer/coala,jayvdb/coala,coala-analyzer/coala,coala/coala,SanketDG/coala,SanketDG/coala,coala/coala