Remove eq3btsmart integration (#27848)

Co-authored-by: Franck Nijhof <git@frenck.dev>

source/_integrations/eq3btsmart.markdown

@@ -1,65 +0,0 @@
----
-title: eQ-3 Bluetooth Smart Thermostats
-description: Instructions on how to integrate EQ3 Bluetooth Smart Thermostats into Home Assistant.
-ha_category:
-  - Climate
-ha_iot_class: Local Polling
-ha_release: 0.18
-ha_codeowners:
-  - '@rytilahti'
-ha_domain: eq3btsmart
-ha_platforms:
-  - climate
-ha_integration_type: integration
----
-
-The `eq3btsmart` climate platform allows you to integrate EQ3 Bluetooth Smart Thermostats.
-
-The current functionality allows setting the temperature as well as controlling the supported modes with help of [python-eq3bt](https://github.com/rytilahti/python-eq3bt) library.
-As the device doesn't contain a temperature sensor ([read more](https://forum.fhem.de/index.php/topic,39308.15.html)),
-we report target temperature also as current one.
-
-### Testing the connectivity
-
-Before configuring Home Assistant you should check that connectivity with the thermostat is working, which can be done with the eq3cli tool:
-
-```bash
-eq3cli --mac 00:11:22:33:44:55
-
-[00:1A:22:XX:XX:XX] Target 17.0 (mode: auto dst, away: no)
-Locked: False
-Batter low: False
-Window open: False
-Boost: False
-Current target temp: 21.0
-Current mode: auto dst
-Valve: 0
-```
-
-### Configuration
-
-```yaml
-# Example configuration.yaml entry
-climate:
-  - platform: eq3btsmart
-    devices:
-      room1:
-        mac: "00:11:22:33:44:55"
-```
-
-{% configuration %}
-devices:
-  description: List of thermostats.
-  required: true
-  type: list
-  keys:
-    name:
-      description: The name to use for the thermostat.
-      required: true
-      type: string
-      keys:
-        mac:
-          description: MAC address of the thermostat.
-          required: true
-          type: string
-{% endconfiguration %}

source/_redirects

@@ -498,6 +498,7 @@ layout: null
 /integrations/ee_brightbox /more-info/removed-integration 301
 /integrations/eight_sleep /more-info/removed-integration 301
 /integrations/envirophat /more-info/removed-integration 301
+/integrations/eq3btsmart /more-info/removed-integration 301
 /integrations/essent /more-info/removed-integration 301
 /integrations/fedex /more-info/removed-integration 301
 /integrations/flunearyou /more-info/removed-integration 301