Revert "HACK: linker: check for handle==0xffffffff on LP64"

This reverts commit 346fea0805b8c2a20171c9b4ab1aac5f66ede5de.

Change-Id: Id3fd79451e4218e68e39ce22f21408cbf93255ee
diff --git a/linker/dlfcn.cpp b/linker/dlfcn.cpp
index 6d63ad6..f0b6c8a 100644
--- a/linker/dlfcn.cpp
+++ b/linker/dlfcn.cpp
@@ -100,9 +100,9 @@
 
   soinfo* found = NULL;
   ElfW(Sym)* sym = NULL;
-  if (handle == RTLD_DEFAULT || handle == (void*)0xffffffffL) {
+  if (handle == RTLD_DEFAULT) {
     sym = dlsym_linear_lookup(symbol, &found, NULL);
-  } else if (handle == RTLD_NEXT || handle == (void*)0xfffffffeL) {
+  } else if (handle == RTLD_NEXT) {
     void* caller_addr = __builtin_return_address(0);
     soinfo* si = find_containing_library(caller_addr);