Fix mips build

Change-Id: I4454e69a982f239b168678c5a681d1078b4bd4f1
diff --git a/linker/linker.cpp b/linker/linker.cpp
index 4f42c82..6c30e1c 100644
--- a/linker/linker.cpp
+++ b/linker/linker.cpp
@@ -2069,8 +2069,6 @@
         }
         break;
 #if defined(__mips__)
-      case DT_STRSZ:
-        break;
       case DT_MIPS_RLD_MAP:
         // Set the DT_MIPS_RLD_MAP entry to the address of _r_debug for GDB.
         {