Daniyal/issue#1689 remove get versions (#2539)

* refs#1690: removing 'GetVersions' from ConnectionI in core/exported/connection.go

* Revert "refs#1690: removing 'GetVersions' from ConnectionI in core/exported/connection.go"

This reverts commit 48af0ab.

* issue#1689: removed GetVersions from ConnectionInterface

* Update CHANGELOG.md

Co-authored-by: Carlos Rodriguez <carlos@interchain.io>

CHANGELOG.md

@@ -101,6 +101,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (apps/27-interchain-accounts) [\#2297](https://github.com/cosmos/ibc-go/pull/2297) Adding cli command to generate ICS27 packet data.
 * (modules/core/keeper) [\#1728](https://github.com/cosmos/ibc-go/pull/2399) Updated channel callback errors to include portID & channelID for better identification of errors.
 * [\#2434](https://github.com/cosmos/ibc-go/pull/2478) Removed all `TypeMsg` constants
+* (modules/core/exported) [#1689] (https://github.com/cosmos/ibc-go/pull/2539) Removing `GetVersions` from `ConnectionI` interface.
 
 ### Features
 

modules/core/exported/connection.go

@@ -5,7 +5,6 @@ type ConnectionI interface {
 	GetClientID() string
 	GetState() int32
 	GetCounterparty() CounterpartyConnectionI
-	GetVersions() []Version
 	GetDelayPeriod() uint64
 	ValidateBasic() error
 }