Remove environment configuration (#132)

Author: szepeviktor

.travis.yml

@@ -19,7 +19,7 @@ jobs:
         - "composer test:syntax -- --no-progress"
         - "composer test:phpunit -- --verbose"
         # - "composer test:cs -- -s"
-        - "composer test:phpstan -- --ansi --memory-limit=1G --no-progress"
+        - "composer test:phpstan -- --ansi --no-progress"
     - name: "With lowest deps"
       php: "7.4"
       install:
@@ -41,4 +41,4 @@ script:
   - "composer test:syntax -- --no-progress"
   - "composer test:phpunit -- --verbose"
   - "composer test:cs -- -s"
-  - "composer test:phpstan -- --ansi --memory-limit=1G --no-progress"
+  - "composer test:phpstan -- --ansi --no-progress"