docs: cleanup showcase (#1818)

Aaron Pham

2025-03-10 aca0c330e70fc4c0aee22560f5fdaac2d7fb41e9

 quartz/plugins/transformers/latex.ts

@@ -59,8 +59,6 @@
              },
            ],
          }
        default:
          return { css: [], js: [] }
      }
    },
  }