simplify example standards and extensions

example/phpcs.xml.dist

@@ -5,12 +5,11 @@
 
   <description>An example PHP CodeSniffer configuration.</description>
 
-  <!-- Set extensions to scan. Uncomment for the respective standard. -->
-  <!-- @see https://git.drupalcode.org/project/coder/blob/8.3.6/coder_sniffer/Drupal/ruleset.xml#L8 -->
-  <!-- AcquiaDrupalStrict and AcquiaDrupalTransitional -->
-  <arg name="extensions" value="php,module,inc,install,test,profile,theme,css,info,txt,md,yml"/>
-  <!-- AcquiaPHP -->
-  <!-- <arg name="extensions" value="php,inc,test,css,txt,md,yml"/> -->
+  <!-- Uncomment your chosen standard and the filename extensions corresponding to it. -->
+  <!-- @see https://github.com/acquia/coding-standards-php/issues/18 for background on filename extensions. -->
+  <rule ref="AcquiaDrupalStrict"/><arg name="extensions" value="php,module,inc,install,test,profile,theme,css,info,txt,md,yml"/>
+  <!-- <rule ref="AcquiaDrupalTransitional"/><arg name="extensions" value="php,module,inc,install,test,profile,theme,css,info,txt,md,yml"/> -->
+  <!-- <rule ref="AcquiaPHP"/><arg name="extensions" value="php,inc,test,css,txt,md,yml"/> -->
 
   <arg name="colors"/>
   <arg name="cache" value=".phpcs-cache"/>
@@ -23,9 +22,4 @@
   <!-- @see https://github.com/squizlabs/PHP_CodeSniffer/issues/981 -->
   <exclude-pattern>vendor/*</exclude-pattern>
 
-  <!-- If you change the standard, be sure to also update the extensions to scan -->
-  <rule ref="AcquiaDrupalStrict"/>
-  <!-- <rule ref="AcquiaDrupalTransitional"/> -->
-  <!-- <rule ref="AcquiaPHP"/> -->
-
 </ruleset>