Standardize seealso admonitions to consistent format

Co-authored-by: mmcky <[email protected]>

Author: Copilot

lectures/newton_method.md

@@ -29,8 +29,7 @@ kernelspec:
 ```
 
 ```{seealso}
-**GPU:** A version of this lecture which makes use of [jax](https://jax.readthedocs.io) to run the code
-on a `GPU` is [available here](https://jax.quantecon.org/newtons_method.html)
+A version of this lecture using a GPU is [available here](https://jax.quantecon.org/newtons_method.html)
 ```
 
 ## Overview

lectures/wealth_dynamics.md

@@ -24,8 +24,7 @@ kernelspec:
 ```
 
 ```{seealso}
-A [version of this lecture](https://jax.quantecon.org/wealth_dynamics.html) using a `GPU`
-is [available here](https://jax.quantecon.org/wealth_dynamics.html)
+A version of this lecture using a GPU is [available here](https://jax.quantecon.org/wealth_dynamics.html)
 ```
 
 In addition to what's in Anaconda, this lecture will need the following libraries: