chore: update lint and format config

Author: sghng

.markdownlint.yaml

@@ -1,7 +1,6 @@
-line-length:
-  code_blocks: false # caught by prettier
-  tables: false
+line-length: false # no good way for enforcing this
 no-duplicate-heading:
   siblings_only: true
 no-inline-html: false
+no-emphasis-as-heading: false
 first-line-h1: false # could be in front matter

.prettierrc.yml

@@ -1,4 +1,3 @@
-proseWrap: always
 plugins:
   - "@trivago/prettier-plugin-sort-imports"
   - "prettier-plugin-sh"