cleanup tox.ini

Author: jj22ee

tox.ini

@@ -97,7 +97,6 @@ deps =
     ext-pg8000: pg8000 <= 1.20.0
     ext-pg8000: testing.postgresql
 
-    ext-pymysql: testing.mysqld
     py{37,38,39,310,311}-ext-pymysql: pymysql >= 1.0.0
 
 setenv =