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I didn't remove Google Calendar as that's the one I use. I removed the Samsung one, it broke the Calendar Storage service/app which is different and then I reinstated it and the Calendar Storage thing is still sooking. Google Calendar loads but will bomb out randomly now.
adb shell pm uninstall -k --user 0 com.samsung.android.calendar
adb shell cmd package install-existing com.samsung.android.calendar
adb shell pm enable com.samsung.android.calendar
Do you have com.android.providers.calendar still?
Try a different calendar app - google apps are so wrapped up in the entire framework, they don;t play nicely when you remove stuff.
com.simplemobiletools.calendar.pro is a very basic calendar that will let you know if you've removed too much