Remove changes from tools

Author: TimTheBig

src/tools/clippy/clippy_lints/src/attrs/mixed_attributes_style.rs

@@ -15,11 +15,6 @@ enum SimpleAttrKind {
 }
 
 impl From<&AttrKind> for SimpleAttrKind {
-    /// Convert an `AttrKind` to a `SimpleAttrKind`,
-    /// if it's a `DocComment` then `Doc` is returned with no conversion.
-    ///
-    /// ## Cost
-    /// If `AttrKind` is `DocComment` it's free, however if it's `Normal` there is heap allocation
     fn from(value: &AttrKind) -> Self {
         match value {
             AttrKind::Normal(attr) => {

src/tools/miri/src/concurrency/thread.rs

@@ -80,7 +80,6 @@ impl Idx for ThreadId {
 }
 
 impl From<ThreadId> for u64 {
-    /// Return inner `u32` converted to `u64`.
     fn from(t: ThreadId) -> Self {
         t.0.into()
     }

src/tools/miri/src/concurrency/vector_clock.rs

@@ -34,7 +34,6 @@ impl Idx for VectorIdx {
 }
 
 impl From<u32> for VectorIdx {
-    /// Create new `VectorIdx` with the inner id of `u32`.
     #[inline]
     fn from(id: u32) -> Self {
         Self(id)

src/tools/miri/src/shims/io_error.rs

@@ -20,14 +20,12 @@ impl From<io::Error> for IoError {
 }
 
 impl From<io::ErrorKind> for IoError {
-    /// Convert a `io::ErrorKind` to a `io::Error` then wrap in `HostError`.
     fn from(value: io::ErrorKind) -> Self {
         IoError::HostError(value.into())
     }
 }
 
 impl From<Scalar> for IoError {
-    /// Create a `Raw` `IoError` with a `Scalar`.
     fn from(value: Scalar) -> Self {
         IoError::Raw(value)
     }