Fix some docs warnings

Author: GuillaumeGomez

glib/src/collections/ptr_slice.rs

@@ -1072,7 +1072,7 @@ impl<T: TransparentPtrType> From<super::Slice<T>> for PtrSlice<T> {
 }
 
 // rustdoc-stripper-ignore-next
-/// A trait to accept both <code>&[T]</code> or <code>PtrSlice<T></code> as an argument.
+/// A trait to accept both `&[T]` or `PtrSlice<T>` as an argument.
 pub trait IntoPtrSlice<T: TransparentPtrType> {
     // rustdoc-stripper-ignore-next
     /// Runs the given closure with a `NULL`-terminated array.

glib/src/collections/strv.rs

@@ -1064,7 +1064,7 @@ impl From<StrV> for crate::Value {
 }
 
 // rustdoc-stripper-ignore-next
-/// A trait to accept both <code>&[T]</code> or <code>StrV</code> as an argument.
+/// A trait to accept both `&[T]` or `StrV` as an argument.
 pub trait IntoStrV {
     // rustdoc-stripper-ignore-next
     /// Runs the given closure with a `NULL`-terminated array.

glib/src/gstring_builder.rs

@@ -116,7 +116,7 @@ impl GStringBuilder {
     }
 
     // rustdoc-stripper-ignore-next
-    /// Returns <code>&[str]</code> slice.
+    /// Returns `&[str]` slice.
     #[inline]
     pub fn as_str(&self) -> &str {
         unsafe {