[PATCH] remove unused system type name(DDB5074 and DDB5476)

[Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>]

Hi Ralf,

This patch removes unused system type name.
DDB5074 and DDB5476 were already removed.

Yoichi

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>

diff -pruN -X mips/Documentation/dontdiff 
mips-orig/arch/mips/ddb5xxx/common/prom.c mips/arch/mips/ddb5xxx/common/prom.c
--- mips-orig/arch/mips/ddb5xxx/common/prom.c   2006-06-20 14:14:56.891585250 
+0900
+++ mips/arch/mips/ddb5xxx/common/prom.c        2006-06-19 10:12:28.198331000 
+0900
@@ -21,8 +21,6 @@
 const char *get_system_type(void)
 {
        switch (mips_machtype) {
-       case MACH_NEC_DDB5074:          return "NEC DDB Vrc-5074";
-       case MACH_NEC_DDB5476:          return "NEC DDB Vrc-5476";
        case MACH_NEC_DDB5477:          return "NEC DDB Vrc-5477";
        case MACH_NEC_ROCKHOPPER:       return "NEC Rockhopper";
        case MACH_NEC_ROCKHOPPERII:     return "NEC RockhopperII";