Revert "Bug 601926 - Don't hardcode meta to alt"
Revert "Bug 601926 - Don't hardcode meta to alt"

This reverts commit b73782a28894e25ed146271f9d6c6775a6836199.

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