Remove obsolete workaround.

Bug: http://b/24465209
Test: manually ran the app.
Change-Id: I573d2480c70632b100096ba6b2029bfc335595d6
diff --git a/liblog/Android.bp b/liblog/Android.bp
index 7d9e306..eae0b10 100644
--- a/liblog/Android.bp
+++ b/liblog/Android.bp
@@ -80,10 +80,6 @@
                 address: false,
             },
         },
-        android_arm: {
-            // TODO: This is to work around b/24465209. Remove after root cause is fixed
-            ldflags: ["-Wl,--hash-style=both"],
-        },
         windows: {
             srcs: ["uio.c"],
             enabled: true,