Remove liblog from libcutils as a whole static lib

libcutils no longer needs to export liblog symbols.

Bug: http://b/31289077
Bug: http://b/27171986
Test: make
Change-Id: I546a5bce56c0c88ac2493c320298d4dc13954566
diff --git a/libcutils/Android.bp b/libcutils/Android.bp
index 8624d13..955c0ec 100644
--- a/libcutils/Android.bp
+++ b/libcutils/Android.bp
@@ -87,12 +87,6 @@
                 "uevent.c",
             ],
 
-            // TODO: remove liblog as whole static library, once we don't have prebuilt that requires
-            // liblog symbols present in libcutils.
-            whole_static_libs: [
-                "liblog",
-            ],
-
             static_libs: ["libdebuggerd_client"],
             export_static_lib_headers: ["libdebuggerd_client"],