Kill off some long-redundant CFLAGS

src/Config

@@ -220,7 +220,7 @@
 
 
 # For prompting and default on timeout
-CFLAGS+=	-DASK_BOOT=3 -DBOOT_FIRST=BOOT_NIC
+# CFLAGS+=	-DASK_BOOT=3 -DBOOT_FIRST=BOOT_NIC
 # If you would like to attempt to boot from other devices as well as the network.
 # CFLAGS+=	-DBOOT_SECOND=BOOT_FLOPPY
 # CFLAGS+=	-DBOOT_THIRD=BOOT_DISK
@@ -288,7 +288,7 @@ CFLAGS+=	-DASK_BOOT=3 -DBOOT_FIRST=BOOT_NIC
 # This option should be enabled unless you have a legacy DHCP server
 # configuration from the bad old days before the use of
 # encapsulated Etherboot options.
-CFLAGS+=	-DALLOW_ONLY_ENCAPSULATED
+# CFLAGS+=	-DALLOW_ONLY_ENCAPSULATED
 
 # Disable DHCP support
 # CFLAGS+=	-DNO_DHCP_SUPPORT
@@ -300,7 +300,7 @@ CFLAGS+=	-DALLOW_ONLY_ENCAPSULATED
 
 # Limit the delay on packet loss/congestion to a more bearable value. See
 # description above.  If unset, do not limit the delay between resend.
-CFLAGS+=	-DBACKOFF_LIMIT=5 -DCONGESTED
+# CFLAGS+=	-DBACKOFF_LIMIT=5 -DCONGESTED
 
 # More optional features
 # CFLAGS+=	-DTRY_FLOPPY_FIRST=4
@@ -311,7 +311,7 @@ CFLAGS+=	-DBACKOFF_LIMIT=5 -DCONGESTED
 # CFLAGS+=	-DALLMULTI -DMULTICAST_LEVEL1 -DMULTICAST_LEVEL2
 
 # Etherboot as a PXE network protocol ROM
-CFLAGS+=	-DPXE_IMAGE -DPXE_EXPORT
+# CFLAGS+=	-DPXE_IMAGE -DPXE_EXPORT
 # Etherboot stricter as a PXE network protocol ROM
 # CFLAGS+=	-DPXE_DHCP_STRICT
 

src/arch/i386/Config

@@ -97,7 +97,7 @@
 # @/OptionDescription@
 
 # BIOS select don't change unless you know what you are doing
-CFLAGS+=	-DPCBIOS
+# CFLAGS+=	-DPCBIOS
 
 # Compile in k8/hammer support
 # CFLAGS+=	-DCONFIG_X86_64