well there is a profile setting to disable the system preference panes for icloud and any others. there is the profile that somebody on here I believe created that disables saving to iCloud, sorry I forget who. but it looks like this

cat DisableiCloudSaving.mobileconfig
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>PayloadContent</key>
<array>
<dict>
<key>PayloadContent</key>
<dict>
<key>.GlobalPreferences</key>
<dict>
<key>Set-Once</key>
<array>
<dict>
<key>mcx_data_timestamp</key>
<date>2013-02-05T18:16:05Z</date>
<key>mcx_preference_settings</key>
<dict>
<key>NSDocumentSaveNewDocumentsToCloud</key>
<false/>
</dict>
</dict>
</array>
</dict>
</dict>
<key>PayloadEnabled</key>
<true/>
<key>PayloadIdentifier</key>
<string>MCXToProfile.b61737b1-e3cc-4ea1-9ecd-dcb6c040dfc7.alacarte.customsettings.758618a7-6c79-4eab-a538-22cc99c64323</string>
<key>PayloadType</key>
<string>com.apple.ManagedClient.preferences</string>
<key>PayloadUUID</key>
<string>758618a7-6c79-4eab-a538-22cc99c64323</string>
<key>PayloadVersion</key>
<integer>1</integer>
</dict>
</array>
<key>PayloadDescription</key>
<string>Included custom settings:
Turns off iCloud as the default save location</string>
<key>PayloadDisplayName</key>
<string>MCXToProfile: NSDocumentSaveNewDocumentsToCloud FALSE</string>
<key>PayloadIdentifier</key>
<string>org.macenterprise.DontSaveNewDocumentsToiCloud</string>
<key>PayloadOrganization</key>
<string></string>
<key>PayloadRemovalDisallowed</key>
<false/>
<key>PayloadScope</key>
<string>System</string>
<key>PayloadType</key>
<string>Configuration</string>
<key>PayloadUUID</key>
<string>b61737b1-e3cc-4ea1-9ecd-dcb6c040dfc7</string>
<key>PayloadVersion</key>
<integer>1</integer>
</dict>
</plist>

I originally used MCX to disable but it had to specifically target the OS, but I've just moved to using a script at first boot / once per computer run at startup policy to cover all OSes.

https://github.com/rtrouton/rtrouton_scripts/tree/master/rtrouton_scripts/disable_icloud_pop_up

Anyone here know how to remove icloud? or maybe where to submit our data to proof owner. i will pay for it info@im-changer.com

JVJC74MGG3