Remove some unnecessary debug spew.
Remove some unnecessary debug spew.

* src/vte.c: Remove some unnecessary debug spew.

saitoha/vte-sixel,asivokon/vte-fx,asivokon/vte-fx,aligo/vte,thestinger/vte-ng,gloob/vte-copy,rvu95/vte,saitoha/vte-sixel,flaxandteal/gasket-vte,rvu95/vte,thestinger/vte-ng,aligo/vte,thestinger/vte-ng,flaxandteal/gasket-vte,asivokon/vte-fx,jessevdk/vte,pjm0616/vte,gloob/vte-copy,rvu95/vte,jessevdk/vte,pjm0616/vte,asivokon/vte-fx,flaxandteal/gasket-vte,jessevdk/vte,flaxandteal/gasket-vte,pjm0616/vte,saitoha/vte-sixel,jessevdk/vte,gloob/vte-copy,rvu95/vte,aligo/vte