remove unnecessary charset at-rule from CSS

assets/sass/abstracts/_typography.scss

@@ -8,9 +8,7 @@
  * Inter typeface - https://rsms.me/inter/
  *
  * Copyright (c) 2016-2020 The Inter Project Authors.
- * "Inter" is trademark of Rasmus Andersson.
- * Licensed under the SIL Open Font License, Version 1.1:
- * https://scripts.sil.org/OFL
+ * Licensed under the SIL Open Font License, Version 1.1.
  */
 
 // Variable
@@ -29,8 +27,7 @@
  * Roboto Mono typeface - https://github.com/googlefonts/robotomono
  *
  * Copyright (c) 2015 The Roboto Mono Project Authors.
- * Licensed under the Apache License, Version 2.0:
- * https://www.apache.org/licenses/LICENSE-2.0
+ * Licensed under the Apache License, Version 2.0.
  */
 
 // Variable
@@ -50,8 +47,7 @@
  * Comic Neue typeface - http://comicneue.com/
  *
  * Copyright (c) 2014 The Comic Neue Project Authors.
- * Licensed under the SIL Open Font License, Version 1.1:
- * https://scripts.sil.org/OFL
+ * Licensed under the SIL Open Font License, Version 1.1.
  */
 
 @include ComicNeue.fontFace($fontName: "Comic Neue", $weight: 400, $unicodeMap: settings.$webfont-unicode-latin-only);

assets/sass/components/_animation.scss

@@ -1,6 +1,5 @@
 @use "../abstracts/themes";
 
-/*! Magic Waving Hand Emoji™ | MIT License | jrvs.io/wave */
 .wave {
   display: inline-block;
   animation: wave 5s infinite;

assets/sass/components/_syntax.scss

@@ -125,7 +125,7 @@ div.highlight-clipboard-enabled {
   }
 }
 
-/*! Syntax Highlighting (light) - modified from Monokai Light: https://github.com/mlgill/pygments-style-monokailight */
+// Syntax Highlighting (light) - modified from Monokai Light: https://github.com/mlgill/pygments-style-monokailight
 body.light {
   // stylelint-disable no-descending-specificity
   div.highlight,
@@ -216,7 +216,7 @@ body.light {
   }
 }
 
-/*! Syntax Highlighting (dark) - modified from Dracula: https://github.com/dracula/pygments */
+// Syntax Highlighting (dark) - modified from Dracula: https://github.com/dracula/pygments
 body.dark {
   // stylelint-disable no-descending-specificity
   div.highlight,

assets/sass/main.scss

@@ -1,5 +1,3 @@
-@charset "UTF-8";
-
 @use "abstracts/settings";
 
 // Global Styles