Remove defunct CoinMarketCap integration (#16609)

source/_integrations/coinmarketcap.markdown

@@ -1,41 +0,0 @@
----
-title: CoinMarketCap
-description: Instructions on how to integrate CoinMarketCap data within Home Assistant.
-ha_category:
-  - Finance
-ha_release: 0.28
-ha_iot_class: Cloud Polling
-ha_domain: coinmarketcap
-ha_platforms:
-  - sensor
----
-
-The `coinmarketcap` sensor platform displays various details about a cryptocurrency provided by [CoinMarketCap](https://coinmarketcap.com/).
-
-To add the CoinMarketCap sensor to your installation, add the following lines to your `configuration.yaml`:
-
-```yaml
-# Example configuration.yaml entry
-sensor:
-  - platform: coinmarketcap
-```
-
-{% configuration %}
-currency_id:
-  description: The ID of the cryptocurrency to use, default is the ID of Bitcoin.
-  required: false
-  type: integer
-  default: 1
-display_currency:
-  description: The currency to display.
-  required: false
-  type: string
-  default: USD
-display_currency_decimals:
-  description: The amount of decimals to round to.
-  required: false
-  type: integer
-  default: 2
-{% endconfiguration %}
-
-All supported currencies can be found [here](https://coinmarketcap.com/api/documentation/v1/#section/Standards-and-Conventions), a list of currency IDs can be found [here](https://coinmarketcap.com/api/v1/#section/Standards-and-Conventions).

source/_redirects

@@ -659,7 +659,6 @@
 /components/sensor.citybikes /integrations/citybikes
 /components/sensor.co2signal /integrations/co2signal
 /components/sensor.coinbase /integrations/coinbase
-/components/sensor.coinmarketcap /integrations/coinmarketcap
 /components/sensor.comed_hourly_pricing /integrations/comed_hourly_pricing
 /components/sensor.comfoconnect /integrations/comfoconnect
 /components/sensor.cpuspeed /integrations/cpuspeed
@@ -1208,7 +1207,6 @@
 /components/cmus /integrations/cmus
 /components/co2signal /integrations/co2signal
 /components/coinbase /integrations/coinbase
-/components/coinmarketcap /integrations/coinmarketcap
 /components/comed_hourly_pricing /integrations/comed_hourly_pricing
 /components/comfoconnect /integrations/comfoconnect
 /components/command_line /integrations/command_line
@@ -2282,3 +2280,6 @@
 /components/sensor.crimereports /more-info/removed-integration 301
 /components/crimereports /more-info/removed-integration 301
 /integrations/crimereports /more-info/removed-integration 301
+/components/sensor.coinmarketcap /more-info/removed-integration 301
+/components/coinmarketcap /more-info/removed-integration 301
+/integrations/coinmarketcap /more-info/removed-integration 301