remove layout frontmatter prop

Author: jescalan

website/content/docs/builders/tencentcloud-cvm.mdx

@@ -2,7 +2,6 @@
 description: |
   The `tencentcloud-cvm` Packer builder plugin provide the capability to build
   customized images based on an existing base images.
-layout: docs
 page_title: Tencentcloud Image Builder
 sidebar_title: Tencent Cloud
 ---