refactor: update toggler classname

Author: mrholek

src/components/AppHeader.js

@@ -24,10 +24,7 @@ const AppHeader = () => {
   return (
     <CHeader position="sticky" className="mb-4">
       <CContainer fluid>
-        <CHeaderToggler
-          className="ms-md-3 d-lg-none"
-          onClick={() => dispatch({ type: 'set', sidebarShow: !sidebarShow })}
-        >
+        <CHeaderToggler onClick={() => dispatch({ type: 'set', sidebarShow: !sidebarShow })}>
           <CIcon name="cil-menu" size="lg" />
         </CHeaderToggler>
         <CHeaderBrand className="mx-auto d-md-none" to="/">