🔥 Remove TravisCI duplication

Author: nelson6e65

.travis.yml

@@ -3,20 +3,18 @@ language: php
 php:
   - 5.6
   - 7.0
-  - 7.1
   - 7.2
 
+env:
+  matrix:
+    - BUILD_DOCS=false
+
 matrix:
   fast_finish: false
   include:
-    - php: 5.6
-      env: BUILD_DOCS=false
-    - php: 7.0
-      env: BUILD_DOCS=false
     - php: 7.1
       env: BUILD_DOCS=true
-    - php: 7.2
-      env: BUILD_DOCS=false
+
 
 before_install:
   # Setup Git