removed extra lines in the example queries (#842)

<!-- Ticket number or summary of work -->
# [DEVDOCS-5007]


## What changed?
<!-- Provide a bulleted list in the present tense -->
* 

## Release notes draft
<!-- Provide an entry for the release notes using simple, conversational
language. Don't be too technical. Explain how the change will benefit
the merchant and link to the feature.

Examples:
* The newly-released [X feature] is now available to use. Now, you’ll be
able to [perform Y action].
* We're happy to announce [X feature], which can help you [perform Y
action].
* [X feature] helps you to create [Y response] using the [Z query
parameter]. Now, you can deliver [ex, localized shopping experiences for
your customers].
* Fixed a bug in the [X endpoint]. Now the [Y field] will appear when
you click [Z option]. -->
* 

## Anything else?
<!-- Add related PRs, salient notes, additional ticket numbers, etc. -->

ping {names}


[DEVDOCS-5007]:
https://bigcommercecloud.atlassian.net/browse/DEVDOCS-5007?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ

docs/storefront/headless/routes.mdx

@@ -47,7 +47,6 @@ This example retrieves details about an object (e.g., Product, Brand, or Categor
 <Tabs items={['Request', 'Response']}>
   <Tab>
     ```graphql filename="Query route details" showLineNumbers copy
-
      query LookUpUrl(
        $urlPath: String!
        # Use GraphQL Query Variables to provide a path
@@ -139,7 +138,6 @@ In this example query, the `node` value is "null" because the redirect is ignore
 <Tabs items={['Request', 'Response']}>
   <Tab>
    ```graphql filename="Query using IGNORE redirect behavior" showLineNumbers copy
-
     query {
       site {
          route(path: "/mug" redirectBehavior: IGNORE) {
@@ -186,7 +184,6 @@ In this example, the `node` returns the entity targeted by the dynamic redirect
 <Tabs items={['Request', 'Response']}>
   <Tab>
    ```graphql filename="Query using FOLLOW redirect behavior" showLineNumbers copy
-
     query {
       site {
          route(path: "/mug" redirectBehavior: FOLLOW) {