Remove hardcoded limits

* Replaced limits through limit=max
* This prevents warnings of the user is not using a botflag, but works like before
* The docu gets updated at !1, doing that not here to prevent a conflict
5 jobs for 2-get-a-rid-of-hardcoded-limits in 1 minute and 11 seconds (queued for 1 second)
Status Job ID Name Coverage
  Lint
passed #1090
lint:lint-php5.4

00:00:37

passed #1091
lint:lint-php5.6

00:00:41

passed #1092
lint:lint-php7.0

00:00:38

 
  Codesniffer
passed #1094
codesniffer

00:00:30

passed #1093
codesniffer

00:00:32