Mount Heavy TV onto re-patched drywall
Yes you should be able to move it. If the screw pattern is regular you may be able to get away with a few extra holes and be able to reuse some of the original holes.

One warning - Do not use wood filler to patch holes. It will not adhere correctly to drywall and not look good. Use a premixed joint compound if you want ease of use. For example: this one

Use a suitable drywall anchor for the screws. Here is one that can hang 75lb each. Home Depot