Enable readability-redundant-control-flow checks

These checks are a nice addition to our static analysis, as they
simplify code quite a bit, as can be seen by this diff being negative
lines.

Signed-off-by: Ed Tanous <edtanous@google.com>
Change-Id: I60ede4ad23d7e5337e811d70ddcab24bf8986891
diff --git a/include/dbus_utility.hpp b/include/dbus_utility.hpp
index 0ea4887..0ed0bbc 100644
--- a/include/dbus_utility.hpp
+++ b/include/dbus_utility.hpp
@@ -104,12 +104,7 @@
             }
         }
     }
-    if (count < index)
-    {
-        return false;
-    }
-
-    return true;
+    return count >= index;
 }
 
 template <typename Callback>