configs: Remove empty #ifdef/#ifndef blocks

Remove empty #ifdef/#ifndef..#endif blocks where the configuration they
guarded has been completely removed.

Signed-off-by: Chris Packham <judge.packham@gmail.com>

include/configs/UCP1020.h

@@ -70,8 +70,6 @@
 #define CONFIG_NETMASK		255.255.255.0
 #define CONFIG_ETHPRIME		"eTSEC1"
 
-#ifndef CONFIG_SPI_FLASH
-#endif
 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT
 
 #define CONFIG_SYS_L2_SIZE	(256 << 10)

include/configs/vme8349.h

@@ -257,9 +257,6 @@
 #undef PCI_ONE_PCI1
 #endif
 
-#ifndef VME_CADDY2
-#endif
-
 #undef CONFIG_EEPRO100
 #undef CONFIG_TULIP