How to Delete or Hide Sync Contacts from GMAIL on Android phone?

1 - Go to → Contacts →  More Options (The left bottom button)

2 – Press → More → Display options

3 - Move up until Google → press Google

Then you can unchecked “My Contacts” and all other things you don’t like to show.

 OR

Settings → Accounts & Sync → Click on your Gmail Account à Uncheck Contacts