how do I turn off find my phone from Icloud.com

Remove a device from Find My iPhone on iCloud.com - Apple Support

Here's what you need to do to disable Find my iPhone:

On an iPhone or iPad

1. Click on Settings.
2. Tap on iCloud.
3. Scroll down to Find My iPhone. Tap on that.
4. On the next page tap on the switch to turn off Find My iPhone (the switch will be grey if it's off).
5. You will need to enter the Apple ID and Password to turn off Find My iPhone, if you don't have that move to the next section.
6. Find My iPhone will now be disabled for that iOS device.

On a Mac or MacBook

• Click on System Preferences.
• Click on iCloud.
• Scroll down to Find My Mac. Click the box beside that so that there is no tick/check mark.
• Enter the Apple ID and Password, if you don't have that move to the next section.

Hope it helps!