Formatting and remove DELETE /directory/list

Signed-off-by: Travis Ralston <travpc@gmail.com>

api/client-server/list_public_rooms.yaml

@@ -99,37 +99,7 @@ paths:
         200:
           description: The visibility was updated, or no change was needed.
           examples: 
-            application/json: {
-              }
-        404:
-          description: The room is not known to the server
-          examples:
-            application/json: {
-                  "errcode": "M_NOT_FOUND",
-                  "error": "Room not found"
-              }
-    delete:
-      summary: Sets a room to be private on the room directory
-      description: |-
-        Updates the visibility of a room to be private on the server's room
-        directory. This is the same as using the PUT operation with a private
-        as the visibility.
-      operationId: setRoomPrivateOnDirectory
-      security:
-        - accessToken: []
-      parameters:
-        - in: path
-          type: string
-          name: roomId
-          description: The room ID.
-          required: true
-          x-example: "!curbf:matrix.org"
-      responses:
-        200:
-          description: The visibility was updated, or no change was needed.
-          examples: 
-            application/json: {
-              }
+            application/json: {}
         404:
           description: The room is not known to the server
           examples: