Revert "Disable lld, libc_malloc_debug failed to boot."

This reverts commit 0e87940961f999aad65834abf7a09e86b569ed3b.

Reason for revert: This should have been fixed.
Bug: 78118944

Change-Id: I796ff2420ec3682dd54a059175a8428868b75c23
diff --git a/libc/malloc_debug/Android.bp b/libc/malloc_debug/Android.bp
index 1a79802..899987c 100644
--- a/libc/malloc_debug/Android.bp
+++ b/libc/malloc_debug/Android.bp
@@ -61,11 +61,6 @@
         },
     },
 
-    // Clang lld link flags do not work with special link rules
-    // for libunwind_llvm yet. Linked aosp_arm-eng image failed to
-    // boot up in the emulator. http://b/78118944.
-    use_clang_lld: false,
-
     static_libs: [
         "libasync_safe",
         "libbase",