Remove blank lines around lists titled with "Table of contents"

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

docs/maintenance-postgres.md

@@ -3,15 +3,10 @@
 This document shows you how to perform various maintenance tasks related to the Postgres database server used by Matrix.
 
 Table of contents:
-
 - [Getting a database terminal](#getting-a-database-terminal), for when you wish to execute SQL queries
-
 - [Vacuuming PostgreSQL](#vacuuming-postgresql), for when you wish to run a Postgres [VACUUM](https://www.postgresql.org/docs/current/sql-vacuum.html) (optimizing disk space)
-
 - [Backing up PostgreSQL](#backing-up-postgresql), for when you wish to make a backup
-
 - [Upgrading PostgreSQL](#upgrading-postgresql), for upgrading to new major versions of PostgreSQL. Such **manual upgrades are sometimes required**.
-
 - [Tuning PostgreSQL](#tuning-postgresql) to make it run faster
 
 ## Getting a database terminal

docs/registering-users.md

@@ -3,7 +3,6 @@
 This documentation page tells you how to create user accounts on your Matrix server.
 
 Table of contents:
-
 - [Registering users](#registering-users)
 	- [Registering users manually](#registering-users-manually)
 	- [Managing users via a Web UI](#managing-users-via-a-web-ui)