Remove duplicate titles

content/application-service-api.md

@@ -4,8 +4,6 @@ weight: 30
 type: docs
 ---
 
-# Application Service API
-
 {{unstable\_warning\_block\_APPSERVICE\_RELEASE\_LABEL}}
 
 The Matrix client-server API and server-server APIs provide the means to

content/client-server-api/_index.md

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 type: docs
 ---
 
-# Client-Server API
-
 {{unstable\_warning\_block\_CLIENT\_RELEASE\_LABEL}}
 
 The client-server API provides a simple lightweight API to let clients

content/identity-service-api.md

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 type: docs
 ---
 
-# Identity Service API
-
 {{unstable\_warning\_block\_IDENTITY\_RELEASE\_LABEL}}
 
 The Matrix client-server and server-server APIs are largely expressed in

content/proposals.md

@@ -10,8 +10,6 @@ Proposals for Spec Changes to Matrix
 
 Table of Contents
 
-# Proposals for Spec Changes to Matrix
-
 If you are interested in submitting a change to the Matrix
 Specification, please take note of the following guidelines.
 

content/push-gateway-api.md

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 type: docs
 ---
 
-# Push Gateway API
-
 {{unstable\_warning\_block\_PUSH\_GATEWAY\_RELEASE\_LABEL}}
 
 Clients may want to receive push notifications when events are received

content/rooms/v1.md

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 weight: 10
 ---
 
-# Room Version 1
-
 This room version is the first ever version for rooms, and contains the
 building blocks for other room versions.
 

content/rooms/v2.md

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 weight: 20
 ---
 
-# Room Version 2
-
 This room version builds off of [version 1](v1.html) with an improved
 state resolution algorithm.
 

content/rooms/v3.md

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 weight: 30
 ---
 
-# Room Version 3
-
 This room version builds on [version 2](v2.html) with an improved event
 format.
 

content/rooms/v4.md

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 weight: 40
 ---
 
-# Room Version 4
-
 This room version builds on [version 3](v3.html) using a different
 encoding for event IDs.
 

content/rooms/v5.md

@@ -4,8 +4,6 @@ type: docs
 weight: 50
 ---
 
-# Room Version 5
-
 This room version builds on [version 4](v4.html) while enforcing signing
 key validity periods for events.
 

content/rooms/v6.md

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 weight: 60
 ---
 
-# Room Version 6
-
 This room version builds on [version 5](v5.html) while changing various
 authorization rules performed on events.
 

content/server-server-api.md

@@ -4,8 +4,6 @@ weight: 20
 type: docs
 ---
 
-# Federation API
-
 {{unstable\_warning\_block\_SERVER\_RELEASE\_LABEL}}
 
 Matrix homeservers use the Federation APIs (also known as server-server