parisc: Kconfig: cleanup Kernel page size default

"Kernel page size" still defaults to "4KB", for both 32 and 64 bit
processors, when tested with "make ARCH=parisc menuconfig".
Signed-off-by: NPaul Bolle <pebolle@tiscali.nl>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>

arch/parisc/Kconfig

@@ -169,9 +169,7 @@ config 64BIT
 
 choice
 	prompt "Kernel page size"
-	default PARISC_PAGE_SIZE_4KB  if !64BIT
-	default PARISC_PAGE_SIZE_4KB  if 64BIT
-#	default PARISC_PAGE_SIZE_16KB if 64BIT
+	default PARISC_PAGE_SIZE_4KB
 
 config PARISC_PAGE_SIZE_4KB
 	bool "4KB"