fix: fixed travis

Author: niftylettuce

.travis.yml

@@ -1,8 +1,8 @@
 sudo: false
 language: node_js
 node_js:
-  - "10"
-  - "8"
+  - '12'
+  - '10'
 after_success: npm run coverage
 
 env:
@@ -12,11 +12,8 @@ env:
 
 matrix:
   include:
-    - node_js: "9"
+    - node_js: "10"
       env: BROWSER=1
-  include:
-    - node_js: "11"
-      env: HTTP2_TEST=1
   include:
     - node_js: "12"
       env: HTTP2_TEST=1