fix(docs): removed irrelevant word

Author: Raginipatel17

src/content/configuration/optimization.mdx

@@ -41,7 +41,7 @@ export default {
 
 ## optimization.chunkIds
 
-Type: `boolean` | `natural` | `named` | `size` | `total-size` | `deterministic`
+`boolean` | `natural` | `named` | `size` | `total-size` | `deterministic`
 
 - `false`: disable webpack's built-in chunk id algorithm
 - one of the following values: