Delete GTT Documentation (#11022)

* Delete GTT Documentation

* Removed GTT Redirects

* Delete gtt.png

source/_integrations/gtt.markdown

@@ -1,34 +0,0 @@
----
-title: "GTT"
-description: "Instructions on how to integrate timetable data for a GTT stop within Home Assistant."
-ha_category:
-  - Transport
-logo: gtt.png
-ha_iot_class: Cloud Polling
-ha_release: 0.85
----
-
-
-The `gtt` sensor will give you the departure time of the next bus at the given stop.
-
-To enable this sensor, add the following lines to your `configuration.yaml` file:
-
-```yaml
-# Example configuration.yaml entry
-sensor:
-  - platform: gtt
-    stop: '1080'
-    bus_name: '58B'
-```
-{% configuration %}
-stop:
-  description: The name of the stop.
-  required: true
-  type: string
-bus_name:
-  description: The name of the chosen bus.
-  required: false
-  type: string
-{% endconfiguration %}
-
-The data is coming from the [gtt.to.it](http://www.gtt.to.it/cms/) website.

source/_redirects

@@ -736,7 +736,6 @@
 /components/sensor.gpsd /integrations/gpsd
 /components/sensor.greeneye_monitor /integrations/greeneye_monitor
 /components/sensor.gtfs /integrations/gtfs
-/components/sensor.gtt /integrations/gtt
 /components/sensor.habitica /integrations/habitica
 /components/sensor.haveibeenpwned /integrations/haveibeenpwned
 /components/sensor.hddtemp /integrations/hddtemp
@@ -1418,7 +1417,6 @@
 /components/growatt_server /integrations/growatt_server
 /components/gstreamer /integrations/gstreamer
 /components/gtfs /integrations/gtfs
-/components/gtt /integrations/gtt
 /components/habitica /integrations/habitica
 /components/hangouts /integrations/hangouts
 /components/harman_kardon_avr /integrations/harman_kardon_avr