simplify condition

Author: ofir

lib/internal/http2/core.js

@@ -394,10 +394,7 @@ function onSessionHeaders(handle, id, cat, flags, headers, sensitiveHeaders) {
       }
     } else if (cat === NGHTTP2_HCAT_PUSH_RESPONSE) {
       event = 'push';
-    } else if (!endOfStream && status !== undefined && status >= 200) {
-      event = 'response';
-    } else if (endOfStream && status !== undefined && status >= 200) {
-      // cat === NGHTTP2_HCAT_HEADERS
+    } else if (status !== undefined && status >= 200) {
       event = 'response';
     } else {
       event = endOfStream ? 'trailers' : 'headers';