DevKit updates

.php_cs.dist

@@ -28,6 +28,7 @@ $rules = [
     ],
     'no_extra_blank_lines' => true,
     'no_php4_constructor' => true,
+    'no_superfluous_phpdoc_tags' => ['allow_mixed' => true],
     'no_useless_else' => true,
     'no_useless_return' => true,
     'ordered_class_elements' => true,

.travis.yml

@@ -10,7 +10,6 @@ branches:
 language: php
 
 php:
-  - '7.1'
   - '7.2'
   - '7.3'
   - nightly
@@ -42,7 +41,7 @@ matrix:
       env: TARGET=docs
     - php: '7.3'
       env: TARGET=lint
-    - php: '7.1'
+    - php: '7.2'
       env: COMPOSER_FLAGS="--prefer-lowest"
     - php: '7.3'
       env: SYMFONY=3.4.*