Fix: Always delete files from watched folder
Fix: Always delete files from watched folder

Wasn't ensure previously when using file preprocessors.

Javierma/OctoPrint-TFG,nickverschoor/OctoPrint,javivi001/OctoPrint,eliasbakken/OctoPrint,dragondgold/OctoPrint,Mikk36/OctoPrint,chriskoz/OctoPrint,EZ3-India/EZ-Remote,punkkeks/OctoPrint,jneves/OctoPrint,dragondgold/OctoPrint,sstocker46/OctoPrint,masterhou/OctoPrint,Jaesin/OctoPrint,eliasbakken/OctoPrint,MoonshineSG/OctoPrint,ryanneufeld/OctoPrint,mcanes/OctoPrint,mcanes/OctoPrint,javivi001/OctoPrint,eddieparker/OctoPrint,eddieparker/OctoPrint,leductan-nguyen/RaionPi,bicephale/OctoPrint,sstocker46/OctoPrint,Salandora/OctoPrint,chriskoz/OctoPrint,shohei/Octoprint,MaxOLydian/OctoPrint,javivi001/OctoPrint,uuv/OctoPrint,CapnBry/OctoPrint,Jaesin/OctoPrint,alex1818/OctoPrint,nicanor-romero/OctoPrint,Mikk36/OctoPrint,uuv/OctoPrint,bicephale/OctoPrint,ErikDeBruijn/OctoPrint,JackGavin13/octoprint-test-not-finished,chriskoz/OctoPrint,Voxel8/OctoPrint,sstocker46/OctoPrint,beeverycreative/BEEweb,ErikDeBruijn/OctoPrint,punkkeks/OctoPrint,beeverycreative/BEEweb,SeveQ/OctoPrint,alex1818/OctoPrint,foosel/OctoPrint,Mikk36/OctoPrint,foosel/OctoPrint,Salandora/OctoPrint,nickverschoor/OctoPrint,Voxel8/OctoPrint,SeveQ/OctoPrint,nicanor-romero/OctoPrint,Skeen/OctoPrint,Skeen/OctoPrint,Salandora/OctoPrint,MaxOLydian/OctoPrint,leductan-nguyen/RaionPi,MaxOLydian/OctoPrint,JackGavin13/octoprint-test-not-finished,dragondgold/OctoPrint,spapadim/OctoPrint,dansantee/OctoPrint,beeverycreative/BEEweb,shohei/Octoprint,dansantee/OctoPrint,leductan-nguyen/RaionPi,shohei/Octoprint,shaggythesheep/OctoPrint,shohei/Octoprint,MoonshineSG/OctoPrint,ErikDeBruijn/OctoPrint,bicephale/OctoPrint,EZ3-India/EZ-Remote,jneves/OctoPrint,senttech/OctoPrint,dansantee/OctoPrint,masterhou/OctoPrint,shaggythesheep/OctoPrint,EZ3-India/EZ-Remote,EZ3-India/EZ-Remote,punkkeks/OctoPrint,spapadim/OctoPrint,uuv/OctoPrint,spapadim/OctoPrint,Voxel8/OctoPrint,Salandora/OctoPrint,senttech/OctoPrint,ryanneufeld/OctoPrint,Javierma/OctoPrint-TFG,masterhou/OctoPrint,senttech/OctoPrint,JackGavin13/octoprint-test-not-finished,SeveQ/OctoPrint,CapnBry/OctoPrint,Skeen/OctoPrint,Javierma/OctoPrint-TFG,ryanneufeld/OctoPrint,mcanes/OctoPrint,ryanneufeld/OctoPrint,MoonshineSG/OctoPrint,CapnBry/OctoPrint,senttech/OctoPrint,nickverschoor/OctoPrint,bicephale/OctoPrint,Jaesin/OctoPrint,shaggythesheep/OctoPrint,nicanor-romero/OctoPrint,eddieparker/OctoPrint,shohei/Octoprint,leductan-nguyen/RaionPi,MoonshineSG/OctoPrint,alex1818/OctoPrint,nickverschoor/OctoPrint,Javierma/OctoPrint-TFG,chriskoz/OctoPrint,beeverycreative/BEEweb,JackGavin13/octoprint-test-not-finished,CapnBry/OctoPrint,Jaesin/OctoPrint,eliasbakken/OctoPrint,foosel/OctoPrint,foosel/OctoPrint,jneves/OctoPrint