Fixing removeTileAt, removeTileAtWorldXY docs
Fixing removeTileAt, removeTileAtWorldXY docs

The 'tile' parameter was not included in the actual code, so it's removed here from the documentation.
TukekeSoft/phaser,pixelpicosean/phaser,englercj/phaser,spayton/phaser,TukekeSoft/phaser,mahill/phaser,BeanSeed/phaser,spayton/phaser,photonstorm/phaser,mahill/phaser,TukekeSoft/phaser,BeanSeed/phaser,photonstorm/phaser