Remove PSVIEWER and PDFVIEWER
Remove PSVIEWER and PDFVIEWER

bartsch-dev/jabref,oscargus/jabref,Mr-DLib/jabref,oscargus/jabref,tobiasdiez/jabref,mairdl/jabref,Siedlerchr/jabref,shitikanth/jabref,Braunch/jabref,oscargus/jabref,obraliar/jabref,Mr-DLib/jabref,zellerdev/jabref,tobiasdiez/jabref,grimes2/jabref,bartsch-dev/jabref,zellerdev/jabref,tschechlovdev/jabref,tschechlovdev/jabref,Siedlerchr/jabref,tschechlovdev/jabref,tobiasdiez/jabref,mredaelli/jabref,ayanai1/jabref,Braunch/jabref,motokito/jabref,mairdl/jabref,motokito/jabref,tschechlovdev/jabref,bartsch-dev/jabref,mredaelli/jabref,sauliusg/jabref,bartsch-dev/jabref,oscargus/jabref,mredaelli/jabref,grimes2/jabref,obraliar/jabref,zellerdev/jabref,JabRef/jabref,Siedlerchr/jabref,obraliar/jabref,motokito/jabref,tschechlovdev/jabref,obraliar/jabref,jhshinn/jabref,shitikanth/jabref,motokito/jabref,sauliusg/jabref,mairdl/jabref,Braunch/jabref,grimes2/jabref,Mr-DLib/jabref,zellerdev/jabref,Siedlerchr/jabref,bartsch-dev/jabref,zellerdev/jabref,Mr-DLib/jabref,ayanai1/jabref,sauliusg/jabref,motokito/jabref,jhshinn/jabref,mairdl/jabref,ayanai1/jabref,shitikanth/jabref,shitikanth/jabref,Braunch/jabref,obraliar/jabref,tobiasdiez/jabref,jhshinn/jabref,Mr-DLib/jabref,jhshinn/jabref,Braunch/jabref,ayanai1/jabref,mredaelli/jabref,mredaelli/jabref,grimes2/jabref,jhshinn/jabref,oscargus/jabref,mairdl/jabref,JabRef/jabref,JabRef/jabref,ayanai1/jabref,shitikanth/jabref,sauliusg/jabref,JabRef/jabref,grimes2/jabref