refactor!: remove 24-host path function in favour of sybling key func…

…tions (backport #7016) (#7034)

* refactor!: remove 24-host path function in favour of sybling key functions (#7016)

* refactor: remove all Path functions from 24-host in favour of Key functions

* docs: migration + changelog

* Update docs/docs/05-migrations/13-v8-to-v9.md

* lint

(cherry picked from commit f4eba71)

# Conflicts:
#	CHANGELOG.md
#	docs/docs/05-migrations/13-v8-to-v9.md

* chore: fix CHANGELOG conflict, completely remove docs folder.

* nit: remove linkcheck workflow.

---------

Co-authored-by: colin axnér <25233464+colin-axner@users.noreply.github.com>
Co-authored-by: DimitrisJim <d.f.hilliard@gmail.com>

CHANGELOG.md

@@ -67,6 +67,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (core/types) [\#6794](https://github.com/cosmos/ibc-go/pull/6794) The composite interface `QueryServer` has been removed from package `core/types`. Please use the granular `QueryServer` interfaces provided by each core submodule.
 * (light-clients/06-solomachine) [\#6888](https://github.com/cosmos/ibc-go/pull/6888) Remove `TypeClientMisbehaviour` constant and the `Type` method on `Misbehaviour`.
 * (light-clients/06-solomachine, light-clients/07-tendermint) [\#6891](https://github.com/cosmos/ibc-go/pull/6891) The `VerifyMembership` and `VerifyNonMembership` functions of solomachine's `ClientState` have been made private. The `VerifyMembership`, `VerifyNonMembership`, `GetTimestampAtHeight`, `Status` and `Initialize` functions of tendermint's `ClientState` have been made private.
+* (core/24-host) [\#6882](https://github.com/cosmos/ibc-go/issues/6882) All functions ending in `Path` have been removed from 24-host in favour of their sybling functions ending in `Key`.
 
 ### State Machine Breaking