BusinessTemplate: don't try to fix connection_id on ZSQL Method

This is just hiding problem and does not seem needed.
11 jobs for feat/bt-script-magic in 0 seconds
Status Job ID Name Coverage
  External
passed ERP5.CodingStyleTest-Master

02:22:42

passed ERP5.PerformanceTest-Master

00:26:05

failed ERP5.UnitTest-Master

04:24:42

failed ERP5.UnitTest-Master.Medusa

02:55:51

passed SlapOS.Eggs.UnitTest-Master.Python2

00:14:34

passed SlapOS.Eggs.UnitTest-Master.Python3

00:15:38

passed ERP5.CodingStyleTest-Master

01:09:47

passed ERP5.PerformanceTest-Master

00:26:08

failed ERP5.UnitTest-Master

03:28:06

passed SlapOS.Eggs.UnitTest-Master.Python2

00:14:03

passed SlapOS.Eggs.UnitTest-Master.Python3

00:14:11