Fix reported test-tidy errors for unmerged import blocks

This merges import blocks that were reported by tidy as unmerged.

components/gfx/text/glyph.rs

@@ -3,10 +3,8 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 use euclid::point::Point2D;
-
 #[cfg(any(target_arch = "x86_64", target_arch = "aarch64"))]
 use simd::u32x4;
-
 use std::cmp::{Ordering, PartialOrd};
 use std::fmt;
 use std::mem;