Use better way to skip falco events

Use the new method falco_consider() to determine which events to
skip. This centralizes the logic in a single function.

This depends on draios/sysdig#1105.

userspace/falco/falco.cpp

@@ -218,8 +218,7 @@ uint64_t do_inspect(falco_engine *engine,
 			}
 		}
 
-		if(!inspector->is_debug_enabled() &&
-			ev->get_category() & EC_INTERNAL)
+		if(!evt->falco_consider())
 		{
 			continue;
 		}