Replace gulp with plain npm for linting.

assets/sass/init/_colors.scss

@@ -1,4 +1,4 @@
-// sass-lint:disable no-color-keywords; no-color-hex
+// stylelint-disable color-no-hex, color-named
 
 // Base colors.
 $black:                  #000;

assets/sass/init/_variables.scss

@@ -102,7 +102,7 @@ $typefaces: (
     // We could also specify the following property:
     // letter-spacing: .5px,
   ),
-);
+); // stylelint-disable indentation
 
 // Output a horizontal grid to help with debugging typography.
 $typey-debug: false;

assets/sass/init/image-url/_image-url.scss

@@ -1,3 +1,5 @@
+// stylelint-disable function-url-quotes
+
 // The relative path from the css directory to the sass directory.
 $image-url-path-to-source: '../sass' !default;
 // The relative path from the root sass directory to where your components usually lie.

assets/sass/init/visually-hidden/_visually-hidden.scss

@@ -1,4 +1,4 @@
-// sass-lint:disable no-important
+// stylelint-disable declaration-no-important
 
 // visually-hidden()
 //