Remove all redundant option file names that don't hurt readability.

sys/conf/options

@@ -67,7 +67,7 @@ COMPAT_FREEBSD5	opt_compat.h
 COMPILING_LINT	opt_global.h
 CONSPEED	opt_comconsole.h
 CY_PCI_FASTINTR
-DIRECTIO	opt_directio.h
+DIRECTIO
 FULL_PREEMPTION	opt_sched.h
 IPI_PREEMPTION	opt_sched.h
 GEOM_AES	opt_geom.h
@@ -128,7 +128,7 @@ SHOW_BUSYBUFS
 SLEEPQUEUE_PROFILING
 SLHCI_DEBUG	opt_slhci.h
 SPX_HACK
-SUIDDIR		opt_suiddir.h
+SUIDDIR
 MSGMNB		opt_sysvipc.h
 MSGMNI		opt_sysvipc.h
 MSGSEG		opt_sysvipc.h
@@ -367,7 +367,7 @@ IPXIP			opt_ipx.h
 LIBMBPOOL
 LIBMCHAIN
 LIBALIAS
-MBUF_STRESS_TEST	opt_mbuf_stress_test.h
+MBUF_STRESS_TEST
 NCP
 NETATALK		opt_atalk.h
 NET_WITH_GIANT		opt_net.h
@@ -583,9 +583,9 @@ UVSCOM_DEFAULT_OPKTSIZE	opt_uvscom.h
 UVSCOM_INTR_INTERVAL	opt_uvscom.h
 
 # Embedded system options
-INIT_PATH		opt_init_path.h
+INIT_PATH
 
-ROOTDEVNAME		opt_rootdevname.h
+ROOTDEVNAME
 
 FDC_DEBUG		opt_fdc.h
 PCFCLOCK_VERBOSE	opt_pcfclock.h
@@ -713,4 +713,4 @@ LOOKUP_SHARED		opt_vfs.h
 HWPMC_HOOKS
 
 # XFS
-XFS			opt_xfs.h
+XFS

sys/conf/options.amd64

@@ -4,9 +4,9 @@
 AUTO_EOI_1		opt_auto_eoi.h
 AUTO_EOI_2		opt_auto_eoi.h
 MAXMEM
-PERFMON			opt_perfmon.h
+PERFMON
 PMAP_SHPGPERPROC	opt_pmap.h
-MP_WATCHDOG		opt_mp_watchdog.h
+MP_WATCHDOG
 
 # Options for emulators.  These should only be used at config time, so
 # they are handled like options for static filesystems

sys/conf/options.i386

@@ -11,7 +11,7 @@ DISABLE_PSE		opt_pmap.h
 I586_PMC_GUPROF		opt_i586_guprof.h
 MAXMEM
 MPTABLE_FORCE_HTT
-MP_WATCHDOG		opt_mp_watchdog.h
+MP_WATCHDOG
 PERFMON
 PMAP_SHPGPERPROC	opt_pmap.h
 POWERFAIL_NMI		opt_trap.h
@@ -167,7 +167,7 @@ NPX_DEBUG		opt_npx.h
 STOP_NMI		opt_cpu.h
 
 # XBOX support in the kernel
-XBOX			opt_xbox.h
+XBOX
 
 # BPF just-in-time compiler
 BPF_JITTER		opt_bpf.h

sys/conf/options.pc98

@@ -10,7 +10,7 @@ DISABLE_PSE		opt_pmap.h
 I586_PMC_GUPROF		opt_i586_guprof.h
 MAXMEM
 MPTABLE_FORCE_HTT
-MP_WATCHDOG		opt_mp_watchdog.h
+MP_WATCHDOG
 PERFMON
 PMAP_SHPGPERPROC	opt_pmap.h
 POWERFAIL_NMI		opt_trap.h