perf: Doc fixes (#39150)

Release Notes:

- N/A

Cargo.lock

@@ -20339,7 +20339,6 @@ dependencies = [
  "url",
  "urlencoding",
  "util",
- "util_macros",
  "uuid",
  "vim",
  "vim_mode_setting",

crates/util_macros/src/util_macros.rs

@@ -135,9 +135,9 @@ impl PerfArgs {
 ///
 /// # Usage
 /// Applying this attribute to a test marks it as average importance by default.
-/// There are 4 levels of importance (`Critical`, `Important`, `Average`, `Fluff`);
-/// see the documentation on `Importance` for details. Add the importance as a
-/// parameter to override the default (e.g. `#[perf(important)]`).
+/// There are 5 levels of importance (`Critical`, `Important`, `Average`, `Iffy`,
+/// `Fluff`); see the documentation on `Importance` for details. Add the importance
+/// as a parameter to override the default (e.g. `#[perf(important)]`).
 ///
 /// Each test also has a weight factor. This is irrelevant on its own, but is considered
 /// when comparing results across different runs. By default, this is set to 50;

crates/zed/Cargo.toml

@@ -191,7 +191,6 @@ project = { workspace = true, features = ["test-support"] }
 terminal_view = { workspace = true, features = ["test-support"] }
 tree-sitter-md.workspace = true
 tree-sitter-rust.workspace = true
-util_macros.workspace = true
 workspace = { workspace = true, features = ["test-support"] }
 
 [package.metadata.bundle-dev]