Uninstall Minecraft on Mac OS X. To uninstall Minecraft on Mac first open Finder. Then form the top menu choose GO, then GO TO FOLDER, this will open the finder go box. To open the box another way, use the shortcut Shift + Command + G. In the box that appears enter: ~/Library/Application Support/Minecraft To uninstall Minecraft from your Mac simply delete this Minecraft folder and it will remove the game from your hard drive. The game also stores cache files. You can get to these using the network setting area. Then go to: Applications -> Utilities -> Java preferences. And you’re done!
Put it in the Recycling bin then empty Recycle Bin and your good, or you could delete your .minecraft file in %appdata% and then delete your launcher into the Recycle bin then Empty it. that would be the best solution.
Maybe it's the pure fact if you DID want to uninstall you'd google it or go on YouTube and not post for attention. I think anyone here would agree with me since you know, YOU WANTED ATTENTION