vendor.sh: remove unnecessary checks

again: the trees script already checks binaries,
and already checks sources. if they exist, the
relevant action is skipped entirely.

we don't need to check it in vendor.sh, because the
trees script already performs the same check.

Signed-off-by: Leah Rowe <leah@libreboot.org>

include/vendor.sh

@@ -60,10 +60,9 @@ bootstrap()
 {
 	[ -d "$cbdir" ] || x_ ./update trees -f coreboot ${cbdir##*/}
 	for d in uefitool biosutilities bios_extract; do
-		[ -d "src/$d" ] && continue
 		x_ ./update trees -f "$d"
 	done
-	[ -f "$uefiextract" ] || x_ ./update trees -b uefitool
+	x_ ./update trees -b uefitool
 	[ ! -d "${kbc1126_ec_dump%/*}" ] || [ -f "$kbc1126_ec_dump" ] || x_ \
 	    make -C "$cbdir/util/kbc1126"
 	[ -n "$MRC_refcode_cbtree" ] && \