environment: Remove duplicate argument from _guess_nix_linker
environment: Remove duplicate argument from _guess_nix_linker

Since we pass the whole compiler class (as a type()) we don't need to
also pass it's LINKER_PREFIX attribute, we can just get it from the
type we're passing.

pexip/meson,becm/meson,QuLogic/meson,mesonbuild/meson,mesonbuild/meson,QuLogic/meson,pexip/meson,jpakkane/meson,mesonbuild/meson,jpakkane/meson,QuLogic/meson,becm/meson,QuLogic/meson,becm/meson,becm/meson,mesonbuild/meson,pexip/meson,mesonbuild/meson,becm/meson,QuLogic/meson,jpakkane/meson,becm/meson,becm/meson,pexip/meson,becm/meson,jpakkane/meson,jpakkane/meson,mesonbuild/meson,jpakkane/meson,pexip/meson,QuLogic/meson,QuLogic/meson,mesonbuild/meson,QuLogic/meson,pexip/meson,pexip/meson,jpakkane/meson,mesonbuild/meson,pexip/meson,mesonbuild/meson,jpakkane/meson,mesonbuild/meson,jpakkane/meson,QuLogic/meson,becm/meson,pexip/meson,becm/meson,pexip/meson