.travis.yml in smtpapi-0.1.8 vs .travis.yml in smtpapi-0.1.9

@@ -1,24 +1,18 @@
 language: ruby
 rvm:
-  - ruby-head
   - 2.7
   - 2.6
   - 2.5
   - 2.4
   - jruby-9.2
 before_script:
   - make install
 script:
   - make test
-matrix:
-  allow_failures:
-    - rvm: ruby-head
-  fast_finish: true
 deploy:
   provider: rubygems
-  api_key:
-    secure: PRNz0pPyO99KdYcQ1WKkunc3TOz1N5ZmdT997KlzRYa5uos+IFqr5UsztJzOrus5iWoQdKKtLGSRYe1SFnXDkSOwK61Q5YvYdSqF3OE/QD63qHub+is4CxmfMmXg+eBGreSH+kIWlSD8N3ic2CDZR8JoQmhPcit6zCZSN3WVRfY=
+  api_key: $RUBYGEMS_API_KEY
   gem: smtpapi
   on:
     tags: true
     rvm: '2.4'
     skip_cleanup: true