Treat matching kernel headers as a base system guarantee

(cherry picked from commit 24417bf191)

install/hardware/fix-tuxedo-backlight.sh

@@ -1,7 +1,6 @@
 # Install Tuxedo drivers for keyboard backlighting on Tuxedo laptops and
 # compatible devices like the Slimbook Executive (Clevo/Tuxedo chassis).
 if cat /sys/class/dmi/id/sys_vendor 2>/dev/null | grep -qi "TUXEDO\|Slimbook"; then
-  omarchy-pkg-add-kernel-headers
   omarchy-pkg-add tuxedo-drivers-nocompatcheck-dkms
 
   # Blacklist the legacy clevo_xsm_wmi module which conflicts with the tuxedo-drivers