Drop ArrayIndent sniff

Lines 19 and 61 tries to stay sane with indent avoiding a level for only one parameter.
https://devcentral.nasqueron.org/source/saas-mediawiki/browse/master/src/WithLog.php;22c2512a687ef5f707c8f4eec7b2b6c23181f387$19

Actually, this issue triggered the YAML experiment at P276.
We've also a strange syntax with a lost dot in YAML, but lines stay short.