Changes:
````
Treat more strange pattern
Split up `if_same_then_else` ui test
Apply review comments
Run `update_lints`
Reduce span range
Rename `ok_if_let` to `if_let_some_result`
Apply review comments
Add suggestion in `if_let_some_result`
rustup https://github.com/rust-lang/rust/pull/67712
Allow `unused_self` lint at the function level
Downgrade range_plus_one to pedantic
Rustup to rust-lang/rust#68204
Add lifetimes to `LateLintPass`
Fix rustc lint import paths generated by `new_lint`
Add lint for default lint description
Update documentation for adding new lints
Generate new lints easily
Split up `booleans` ui test
Fix the ordering on `nonminimal_bool`
````
188f0bbe7f