chore: remove redundant words in comment

Signed-off-by: linchizhen <[email protected]>

legacy/tools/witx-cli/src/main.rs

@@ -90,7 +90,7 @@ pub fn main() {
             if check {
                 let output = output.expect("output argument required in docs --check mode");
                 if diff_against_filesystem(&doc.to_md(), &output).is_err() {
-                    println!("Docs in tree are out-of-date with witx files. Re-run this executable with the following arguments to to re-generate:");
+                    println!("Docs in tree are out-of-date with witx files. Re-run this executable with the following arguments to re-generate:");
                     println!(
                         "> witx docs {} --output {}",
                         input

wasip2/http/types.wit

@@ -170,7 +170,7 @@ interface types {
   /// A `fields` may be mutable or immutable. A `fields` created using the
   /// constructor, `from-list`, or `clone` will be mutable, but a `fields`
   /// resource given by other means (including, but not limited to,
-  /// `incoming-request.headers`, `outgoing-request.headers`) might be be
+  /// `incoming-request.headers`, `outgoing-request.headers`) might be
   /// immutable. In an immutable fields, the `set`, `append`, and `delete`
   /// operations will fail with `header-error.immutable`.
   @since(version = 0.2.0)