test(gov): Remove simapp references from module tests and simulatio…

…ns (cosmos#13043)

## Description

0 occurences of "simapp" in x/gov.

closes: cosmos#12752

- [x] Move some x/gov module tests (those in x/gov root folder) to tests/integration, as they rely on a new module x/distribution
- [x] convert rest of x/gov module tests to use depinject
- [x] remove simapp references from x/gov/simulations
- [x] 0 occurences of "simapp" in x/gov



---

### Author Checklist

*All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.*

I have...

- [ ] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] added `!` to the type prefix if API or client breaking change
- [ ] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/main/CONTRIBUTING.md#pr-targeting))
- [ ] provided a link to the relevant issue or specification
- [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/main/docs/building-modules)
- [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/main/CONTRIBUTING.md#testing)
- [ ] added a changelog entry to `CHANGELOG.md`
- [ ] included comments for [documenting Go code](https://blog.golang.org/godoc)
- [ ] updated the relevant documentation or specification
- [ ] reviewed "Files changed" and left comments if necessary
- [ ] confirmed all CI checks have passed

### Reviewers Checklist

*All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.*

I have...

- [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] confirmed `!` in the type prefix if API or client breaking change
- [ ] confirmed all author checklist items have been addressed 
- [ ] reviewed state machine logic
- [ ] reviewed API design and naming
- [ ] reviewed documentation is accurate
- [ ] reviewed tests and test coverage
- [ ] manually tested (if applicable)

params/weights.go

@@ -4,9 +4,6 @@ package params
 const (
 	DefaultWeightMsgSend                      int = 100
 	DefaultWeightMsgMultiSend                 int = 10
-	DefaultWeightMsgDeposit                   int = 100
-	DefaultWeightMsgVote                      int = 67
-	DefaultWeightMsgVoteWeighted              int = 33
 	DefaultWeightMsgCreateValidator           int = 100
 	DefaultWeightMsgEditValidator             int = 5
 	DefaultWeightMsgDelegate                  int = 100