Political correctness at its finest.
Via the Verge:
Google is the latest company to ditch the pistol with a new emoji update for Android users. The switch to a bright orange and yellow water gun, rolling out now, mimics changes made by Apple, WhatsApp, Twitter, and Samsung over the last few years. That leaves Microsoft as the only major platform with the realistic handgun emoji. True, Facebook still uses it, but a spokesperson for the company confirmed to Emojipedia that it would also be replacing its gun emoji with a toy water gun.
Read more here.