Eliminate references to defunct kernel tunables.

Approved by:	re
PR:		bin/43343

sys/boot/common/help.common

@@ -240,22 +240,6 @@
 		completely the value determined when the kernel was
 		compiled.
 
-	set machdep.pccard.pcic_irq=<value>
-
-		Overrides the IRQ normally assigned to a PCCARD controller.
-		Typically the first available interrupt will be allocated,
-		which may conflict with other hardware.  If this value is
-		set to 0, an interrupt will not be assigned and the
-		controller will operate in polled mode only.
-
-	set machdep.bios.pnp=disable
-
-		Disable the use of the PnP BIOS (i386 only)
-
-	set machdep.bios.pci=disable
-
-		Disable the use of the PCI BIOS (i386 only)
-
 	set machdep.disable_mtrrs=1
 
 		Disable the use of i686 MTRRs (i386 only)

sys/boot/common/loader.8

@@ -487,13 +487,6 @@ Modifies
 .Va VM_BCACHE_SIZE_MAX .
 .It Va machdep.disable_mtrrs
 Disable the use of i686 MTRRs (x86 only).
-.It Va machdep.pccard.pcic_irq
-Overrides the IRQ normally assigned to a PCCARD controller.
-Typically the first available interrupt will be allocated,
-which may conflict with other hardware.
-If this value is set to 0,
-an interrupt will not be assigned
-and the controller will operate in polled mode only.
 .It Va net.inet.tcp.tcbhashsize
 Overrides the compile-time set value of
 .Va TCBHASHSIZE

sys/boot/forth/loader.conf

@@ -96,7 +96,6 @@ module_path="/boot/kernel;/boot/modules;/modules"	# Set the module search path
 #kern.ipc.nmbufs=""		# Set the maximum number of mbufs
 #kern.ipc.nsfbufs=""		# Set the number of sendfile(2) bufs
 #kern.vm.kmem.size=""		# Sets the size of kernel memory (bytes)
-#machdep.pccard.pcic_irq="0"	# Assigns PCCARD controller IRQ (0=polled)
 #net.inet.tcp.tcbhashsize=""	# Set the value of TCBHASHSIZE
 #vfs.root.mountfrom=""		# Specify root partition in a way the
 				# kernel understands