Make suggestions to remove params and super traits tool-only, and make
the suggestion span more accurate.
```
error[E0567]: auto traits cannot have generic parameters
--> $DIR/auto-trait-validation.rs:6:19
|
LL | auto trait Generic<T> {}
| -------^^^
| |
| auto trait cannot have generic parameters
error[E0568]: auto traits cannot have super traits or lifetime bounds
--> $DIR/auto-trait-validation.rs:8:20
|
LL | auto trait Bound : Copy {}
| ----- ^^^^
| |
| auto traits cannot have super traits or lifetime bounds
```
```
error[E0380]: auto traits cannot have associated items
--> $DIR/issue-23080.rs:5:8
|
LL | unsafe auto trait Trait {
| ----- auto traits cannot have associated items
LL | fn method(&self) {
| ^^^^^^
```
|
||
|---|---|---|
| .. | ||
| account-for-shadowed-bindings-issue-123558.rs | ||
| account-for-shadowed-bindings-issue-123558.stderr | ||
| issue-61525.rs | ||
| issue-61525.stderr | ||
| issue-84495.rs | ||
| issue-84495.stderr | ||
| issue-90315.rs | ||
| issue-90315.stderr | ||
| issue-94581.fixed | ||
| issue-94581.rs | ||
| issue-94581.stderr | ||
| issue-105732.rs | ||
| issue-105732.stderr | ||