[7.0] Remove setDbo() and __get() from BaseDatabaseModel#47441

Hackwar wants to merge 4 commits intojoomla:7.0-devjoomla/joomla-cms:7.0-devfrom

Hackwar:7.0-model-databaseawaretraitHackwar/joomla-cms:7.0-model-databaseawaretraitCopy head branch name to clipboard