Fix formatting

Author: tiif

src/tools/miri/src/shims/foreign_items.rs

@@ -238,7 +238,6 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> {
                 return interp_ok(EmulateItemResult::NeedsReturn);
             }
         }
-        // TODO: update the comment here
         // When adding a new shim, you should follow the following pattern:
         // ```
         // "shim_name" => {

src/tools/miri/src/shims/unix/foreign_items.rs

@@ -761,7 +761,6 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> {
                 // We do not support forking, so there is nothing to do here.
                 this.write_null(dest)?;
             }
-
             "getentropy" => {
                 // This function is non-standard but exists with the same signature and behavior on
                 // Linux, macOS, FreeBSD and Solaris/Illumos.

src/tools/miri/src/shims/unix/solarish/foreign_items.rs

@@ -1,4 +1,3 @@
-
 use rustc_target::callconv::Conv;
 use rustc_span::Symbol;
 use rustc_target::callconv::FnAbi;

src/tools/miri/src/shims/unix/thread.rs

@@ -1,7 +1,6 @@
-
+use rustc_abi::ExternAbi;
 
 use crate::*;
-use rustc_abi::ExternAbi;
 
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub enum ThreadNameResult {