Fix more doc links.

Author: sunfishcode

example-crates/origin-start-lto/README.md

@@ -1,4 +1,4 @@
-This crate is similar to the [`origin-start` example], except that it enables
+This crate is similar to the [origin-start example], except that it enables
 lto when built with --release.
 
 [origin-start example]: https://github.com/sunfishcode/origin/blob/main/example-crates/origin-start/README.md

example-crates/origin-start-no-alloc/README.md

@@ -1,4 +1,4 @@
-This crate is similar to the [`origin-start` example], except that it doesn't
+This crate is similar to the [origin-start example], except that it doesn't
 enable the "alloc" feature, so it doesn't get a global allocator.
 
 [origin-start example]: https://github.com/sunfishcode/origin/blob/main/example-crates/origin-start/README.md

example-crates/origin-start-tiny/README.md

@@ -1,4 +1,4 @@
-This crate is similar to the [`origin-start` example], except that doesn't
+This crate is similar to the [origin-start example], except that doesn't
 print any output, and enables optimizations for small code size. To produce a
 small binary, compile with `--release`.