There is a thing called a primary that is supposed to do that very thing you suggest.
I suggest that if you want to “remove” the “RINOs” like me, then get a conservative to run and get behind him with all like minded people. It is not up to the GOP to run a conservative as a republican or a rino as a republican. Its up to you and I to have a conservative run under the GOP ticket.
It all starts at the grass roots level.
No problem here, in my area of Texas it is easy to find Conservatives.