remove "Taelman's unit" from the documentation

Author: Xavier Caruso

src/sage/rings/function_field/drinfeld_modules/charzero_drinfeld_module.py

@@ -11,7 +11,7 @@
 AUTHORS:
 
 - David Ayotte (2023-09)
-- Xavier Caruso (2024-12) - computation of class polynomials and Taelman's units
+- Xavier Caruso (2024-12) - computation of class polynomials
 """
 
 # *****************************************************************************