v20: Remove OSMO 2 hop route discount

[osmosis-clickup]

Slack Context

The OSMO 2 hop router discount is being removed in v18. So, our router should no longer include that discount in our quoting logic.

[p0mvn]

CC: @AlpinYukseloglu for awareness about this issue.

[czarcas7ic]

@p0mvn is this referring to the frontend router?

[p0mvn]

No, this is the multihop OSMO discount that we have in poolmanager

[p0mvn]

@czarcas7ic See this discussion: https://app.clickup.com/t/86a0t4467?comment=90130005156880&threadedComment=90130005156881

I think this is a follow-up to a gov prop

[czarcas7ic]

Gotcha, on it