Revert "chore: rename bem var"

This reverts commit 3fcb1d018e.

src/utils/create/bem.ts

@@ -36,9 +36,9 @@ export function createBEM(name: string) {
       el = '';
     }
 
-    name = el ? `${name}__${el}` : name;
+    el = el ? `${name}__${el}` : name;
 
-    return `${name}${gen(name, mods)}`;
+    return `${el}${gen(el, mods)}`;
   };
 }