Fix mips build

Bug: 18186310

(cherry picked from commit ecf532fa1cfe91ca946243c11ef154c602870ba6)

Change-Id: Ia12f2fa28c8cd3204eb7d6b4c7d872f4e81fb8ef
diff --git a/linker/linker.cpp b/linker/linker.cpp
index 9e26cf8..d918bb5 100644
--- a/linker/linker.cpp
+++ b/linker/linker.cpp
@@ -2083,8 +2083,6 @@
         }
         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.
         {