How to disable the emoji keyboard

It’s easy to turn off the emoji keyboard in iOS, according to Macworld. Just follow the instructions given below:
Open the Settings app. Go to General > Keyboard, then tap Keyboards at the top. It’ll have a number next to it. It’s the number of keyboards you’ve got installed.
Tap Edit, then tap the red circle next to Emoji. Tap Delete.
The Emoji symbol will no longer be visible in the standard keyboard in Messages and elsewhere in iOS.
Now, if you want to turn emoji back on again, go to Settings > General > Keyboard, then tap Keyboards. Tap Add New Keyboard, and scroll down a bit until you find Emoji. Tap Emoji.
Now the emoji keyboard is back, and you’ll be able to bring it up from the standard keyboard by tapping the little smiley face at the bottom-left.
Emoji suggestions will again be offered as predictive text, and if you’re using Messages in iOS 10, emoji-able words will be highlighted in orange when you tap the emoji button, and will turn into the relevant emoji if you tap them.