Delete the files in the following locations:

Scarlett Plugin Suite:

• Mac HD/Library/Audio/Plugins/VST/Focusrite/Scarlett Compressor.vst
• Mac HD/Library/Audio/Plugins/VST/Focusrite/Scarlett EQ.vst
• Mac HD/Library/Audio/Plugins/VST/Focusrite/Scarlett Gate.vst
• Mac HD/Library/Audio/Plugins/VST/Focusrite/Scarlett Reverb.vst
• Mac HD/Library/Audio/Plugins/Components/Scarlett Plug-in Suite.component

(FOR PRO TOOLS USERS ONLY)

• Mac HD/Library/Application Support/Digidesign/Scarlett Plug-in Suite.dpm 

Midnight Plugin Suite:

• Mac HD/Library/Audio/Plugins/VST/Midnight Compressor.vst
• Mac HD/Library/Audio/Plugins/VST/Midnight EQ.vst
• Mac HD/Library/Audio/Plugins/Components/Midnight Compressor.component
• Mac HD/Library/Audio/Plugins/Components/Midnight EQ.component

(FOR PRO TOOLS USERS ONLY)

• Mac HD/Library/Application Support/Digidesign/Midnight Compressor.dpm
• Mac HD/Library/Application Support/Digidesign/Midnight EQ.dpm 

NOTE: If you have Automap Installed and have Wrapped the Plugins, go to Automap > Software Setup > RTAS/AU/VST/VST3 and uncheck the plugins you are uninstalling. Otherwise, you may leave the Automapped versions of the plugins in your system.