* Move osmoassert into osmoutils, remove osmoutils twap dependence (#3817)

* Move osmoassert into osmoutils

* Remove twaptypes dependence

* Add changelog

(cherry picked from commit 4f04e735

)

# Conflicts:
#	CHANGELOG.md
#	x/twap/logic_test.go
#	x/twap/strategy_test.go

* Fix conflicts

Co-authored-by: Dev Ojha <[email protected]>
Co-authored-by: Dev Ojha <[email protected]>