Update qwiic_tca9548a.py

Reverting. Hyperlink failed.

Author: santaimpersonator

qwiic_tca9548a.py

@@ -48,7 +48,7 @@
 """
 qwiic_tca9548a
 =================
-Python module for the <a href="https://www.sparkfun.com/products/14685">Qwiic Mux Breakout</a>.
+Python module for the [Qwiic Mux Breakout](https://www.sparkfun.com/products/14685)
 This package can be used in conjunction with the overall [SparkFun qwiic Python Package](https://github.com/sparkfun/Qwiic_Py)
 New to qwiic? Take a look at the entire [SparkFun qwiic ecosystem](https://www.sparkfun.com/qwiic).
 """