Remove unused manifest fields (#33595)

homeassistant/components/abode/manifest.json

homeassistant/components/acer_projector/manifest.json

homeassistant/components/actiontec/manifest.json

homeassistant/components/adguard/manifest.json

homeassistant/components/ads/manifest.json

homeassistant/components/aftership/manifest.json

homeassistant/components/air_quality/manifest.json

homeassistant/components/airly/manifest.json

homeassistant/components/airvisual/manifest.json

homeassistant/components/aladdin_connect/manifest.json

homeassistant/components/alarm_control_panel/manifest.json

homeassistant/components/alarmdecoder/manifest.json

homeassistant/components/alert/manifest.json

homeassistant/components/alexa/manifest.json

homeassistant/components/alpha_vantage/manifest.json

homeassistant/components/amazon_polly/manifest.json

homeassistant/components/ambient_station/manifest.json

homeassistant/components/ampio/manifest.json

homeassistant/components/android_ip_webcam/manifest.json

homeassistant/components/androidtv/manifest.json