Remove libbase_headers from libservice-connectivity

libservice-connectivity already links against libbase dynamically.

Test: m
Change-Id: I66da65d6f618799ded21a3f6cdc71f444acd72fd
diff --git a/service/Android.bp b/service/Android.bp
index 8d491b3..33fe3ea 100644
--- a/service/Android.bp
+++ b/service/Android.bp
@@ -62,7 +62,6 @@
     ],
     header_libs: [
         "bpf_connectivity_headers",
-        "libbase_headers",
     ],
     static_libs: [
         "libclat",