Remove ibc-go fork dependency

[Taztingo]

Summary

Our repo has a custom fork of ibc-go, and it allowed us to access the SendTransfer method of the ibc-go Keeper. We should be able to replace this with a MsgTransfer and remove our dependency on a custom ibc-go fork.

Our custom implementation checks the following on an ibc transfer and skips the IsSendEnabledCoins check.

Original:
https://github.com/cosmos/ibc-go/blob/fa3116f0bd885b0ef4d7e974cb2918f9b7e4ff87/modules/apps/transfer/keeper/msg_server.go#L18-L33

Ours:

provenance/x/marker/keeper/msg_server.go

Lines 489 to 495 in de83db6

	if !ibcKeeper.GetSendEnabled(ctx) {
	return false, ibctypes.ErrSendDisabled
	}
	if ibcKeeper.BankKeeper.BlockedAddr(sender) {
	return false, sdkerrors.ErrUnauthorized.Wrapf("%s is not allowed to send funds", sender)
	}

This check should not be an issue anymore because we have the Bypass Context:
https://github.com/provenance-io/provenance/blob/de83db67fbda994a6c63998d4496a95c45a01bcd/x/marker/keeper/marker.go#L709C3-L709C24

Problem Definition

Our go.mod contains a reference to our ibc-go repo, and we no longer need it.

Proposal

Update go.mod to point to ibc-go v6.1.1
Pass in and store a baseapp.IMsgServiceRouter to the Marker Keeper
Update the marker keeper's IbcTransfer method to send a MsgTransfer and use the IMsgServiceRouter

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