message: Fix header levels of deprecated messages
diff: @@ -12,7 +12,7 @@ Buttplug Core Team will support all messages, even those that have
  been deprecated.
  ---
  -### SingleMotorVibrateCmd
  +## SingleMotorVibrateCmd
  **Reason for Deprecation:** Superceded by
  [VibrateCmd](generic.md#vibratecmd), which provided granular control
  @@ -113,7 +113,7 @@ sequenceDiagram
  ]
  ```
  ---
  -### DeviceAdded Version 0
  +## DeviceAdded Version 0
  **Reason for Deprecation:** Superceded by [DeviceList Version
  1](enumeration.md#devicelist), which provides more information about
  @@ -158,7 +158,7 @@ sequenceDiagram
  ]
  ```
  ---
  -### RequestServerInfo Version 0
  +## RequestServerInfo Version 0
  **Reason for Deprecation:** Superceded by [RequestServerInfo Version
  1](identification.md#requestserverinfo), adding message version check.
  