docs(mqtt): point setup guides at the MeshMapper broker only

docs/mqtt-main.md

@@ -1,22 +1,16 @@
 # MeshMapper MQTT Setup
 
-An **MQTT observer** is a MeshCore node that acts as the "ears" of MeshMapper — it listens for mesh traffic and publishes it to an MQTT broker, where MeshMapper picks it up for processing. Each region requires at least one observer connected to either the **LetsMesh** or **MeshMapper** broker (or both for redundancy).
+An **MQTT observer** is a MeshCore node that acts as the "ears" of MeshMapper — it listens for mesh traffic and publishes it to an MQTT broker, where MeshMapper picks it up for processing. Each region needs at least one observer connected to the **MeshMapper** broker.
 
-## Available Brokers
+## MeshMapper Broker
 
-An observer can connect to one or both of the following brokers:
-
-| Broker | Host | Port | Transport | Authentication |
-| --- | --- | --- | --- | --- |
-| **MeshMapper** | `mqtt.meshmapper.net` | 443 | WebSockets + TLS | Device signing |
-| **LetsMesh** | `mqtt-us-v1.letsmesh.net` / `mqtt-eu-v1.letsmesh.net` | 443 | WebSockets + TLS | Device signing |
-
-!!! tip "Redundancy"
-    Connecting to both brokers is recommended but not required. Data received from multiple brokers is automatically deduplicated by MeshMapper.
+| Host | Port | Transport | Authentication |
+| --- | --- | --- | --- |
+| `mqtt.meshmapper.net` | 443 | WebSockets + TLS | Device signing |
 
 ## MQTT Observer Methods
 
-There are four ways to set up a MeshCore MQTT observer that collects packets and forwards them to LetsMesh or MeshMapper.
+There are four ways to set up a MeshCore MQTT observer that collects packets and forwards them to MeshMapper.
 
 ### 1. MeshCore Packet Capture (Python)
 

docs/mqtt-pymc.md

@@ -6,7 +6,7 @@ These instructions cover adding the MeshMapper MQTT broker to an existing pyMC-R
 
 ## Prerequisites
 
-  - A Raspberry Pi running pyMC-Repeater with LetsMesh already configured and working
+  - A Raspberry Pi with pyMC-Repeater installed and working
 
 ## Adding the MeshMapper Broker
 

docs/mqtt-python.md

@@ -1,6 +1,6 @@
 # MeshCore Packet Capture
 
-These instructions are for the community [meshcore-packet-capture](https://github.com/agessaman/meshcore-packet-capture) project from agessaman/HerculesMulligan.  A single observer can connect to both the LetsMesh and MeshMapper brokers.
+These instructions are for the community [meshcore-packet-capture](https://github.com/agessaman/meshcore-packet-capture) project from agessaman/HerculesMulligan.
 
 ## Prerequisites
 
@@ -24,7 +24,7 @@ sudo apt install -y python3 python3.12-venv curl git
 
 ### 3. Install the MeshCore Decoder
 
-The MeshCore decoder is required for authentication when sending packets to the brokers:
+The MeshCore decoder is required for authentication when sending packets to the broker:
 
 ```bash
 curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.7/install.sh | bash
@@ -68,19 +68,15 @@ Enter your region's **3-letter IATA code** (e.g., `SEA`, `LAX`, `YOW`, `LON`). T
 You may optionally configure:
 
   - **Owner Public Key**: The public key of the observer owner (64 hex characters)
-  - **Owner Email**: Contact email for the LetsMesh Analyzer
+  - **Owner Email**: A contact email
 
-These are optional, apply to LetsMesh only, and can be skipped if you wish.
+MeshMapper doesn't use these, so you can skip them.
 
 ### 8. MQTT Broker Configuration
 
-#### LetsMesh Broker
+The script will ask whether to enable the LetsMesh Packet Analyzer. MeshMapper doesn't need it, so that's up to you.
 
-The script will ask whether to enable the LetsMesh Packet Analyzer. This connects to both the US and EU LetsMesh servers for redundancy. Recommended to enable.
-
-#### MeshMapper Broker
-
-When prompted to configure additional brokers, select "1" additonal, and add the MeshMapper broker with the following settings:
+When prompted to configure additional brokers, select "1" additional, and add the MeshMapper broker with the following settings:
 
 | Setting | Value |
 | --- | --- |