[v2] Remove rate limiter from disperser

[ian-shim]

Why are these changes needed?

Ratelimiter will be replaced with payment meterer

Checks

• I've made sure the tests are passing. Note that there might be a few flaky tests, in that case, please comment that they are not relevant.
• I've checked the new test coverage and the coverage percentage didn't drop.
• Testing Strategy
  • Unit tests
  • Integration tests
  • This PR is not tested :(

[anupsv]

Can we link the PR which implemented the payment metering.

[ian-shim]

Can we link the PR which implemented the payment metering.

We don't have it yet 😅 @hopeyen is working on it

[hopeyen]

Can we link the PR which implemented the payment metering.

We don't have it yet 😅 @hopeyen is working on it

It's in draft state here. this actually answers one of my questions in the draft on if payment field isn't available should we fallback to rate limiter, which is nope looking at this PR