PEOPLE confirms the West Coast burger chain removed '67' from its ticket system about a month agoNEED TO KNOW -PEOPLE confirms that In-N-Out Burger has removed the number "67" from its ticket order system amid the viral "6-7" trend -The phrase "6-7" doesn’t seem to have one specific meaning, but is commonly associated with the song "Doot Doot (6 7)" by Skrilla which features the recurring lyric, “6-7,” as well as NBA star LaMelo Ball due to his height, which is 6'7" -PEOPLE confirms In-N-Out Burger removed the number from its system about a month ago In-N-Out Burger has officially...