Remove unnecessary comma from docs
Remove unnecessary comma from docs

RonnyPfannschmidt/pytest,ddboline/pytest,The-Compiler/pytest,pfctdayelise/pytest,alfredodeza/pytest,davidszotten/pytest,nicoddemus/pytest,tareqalayan/pytest,tomviner/pytest,tomviner/pytest,pytest-dev/pytest,The-Compiler/pytest,markshao/pytest,nicoddemus/pytest,hackebrot/pytest,Akasurde/pytest,txomon/pytest,MichaelAquilina/pytest,rmfitzpatrick/pytest