Plugins not working after a reinstall (you wa shock and spitfish)

Plugins can be stored in that folder …

C:\Users\YourNameHere\AppData\Roaming\audacity\Plug-Ins

If you deleted the folder

C:\Users\YourNameHere\AppData\Roaming\audacity\

Then you could have deleted the plugins which are now AWOL

Free Alternatives to spitfish which are available in both 32 & 64 bit include…
T-De-Esser Plus’ free VST … 'T-De-Esser Plus' free VST

The Audacity-specific Desibilator plugin works on 32 or 64 bit Audcaity … Updated De-Clicker and new De-esser for speech - #199 by Trebor

Toneboosters have 2 free de-essers, but they are 64-bit only …