Hi Hussain,
I strongly believe running the SAP Note 48815, program ZQEVAC20 should be very selective and this is not an alternate to fix process inconsistency. This one should be used very selectively and there should be right process in place as the first thing.
If QM is really not going to be used for this plant in future, please deactivate the Inspection type assignment form QM view for your materials for this plant. If you wish to do it in mass, use the below process -
a) Get table dump form QMAT for your target plant XXXX. Here you will get all materials where inspection types are assigned. Put a filter and you will understand what all materials has what all inspection types added.
b) In QA08, check the tab Deactivate Inspection type. Add Plant = XXXX and select 'Create Change Document' and then put the inspection type, which you have got form table QMAT by putting filters in QMAT. Then execute. Once you do this step, though the inspection type added previously will still be there in the material master - QM view, but the "ACTIVE" indicator will be removed, making this assigned inspection type UNUSABLE.
After doing these two things, you can ensure that there are no such materials available in your XXXX plant, where some materials are extended with active inspection types, which may create problems later.
Thanks,
Arijit