[ci][tests] Remove redundant ESP32 Arduino test files (#11136)

tests/components/prometheus/test.esp32-ard.yaml

@@ -1,38 +0,0 @@
-substitutions:
-  verify_ssl: "false"
-  pin: GPIO5
-
-<<: !include common.yaml
-
-i2s_audio:
-  i2s_lrclk_pin: 1
-  i2s_bclk_pin: 2
-  i2s_mclk_pin: 3
-
-media_player:
-  - platform: i2s_audio
-    name: "Media Player"
-    dac_type: external
-    i2s_dout_pin: 18
-    mute_pin: 19
-    on_state:
-      - media_player.play:
-      - media_player.play_media: http://localhost/media.mp3
-      - media_player.play_media: !lambda 'return "http://localhost/media.mp3";'
-    on_idle:
-      - media_player.pause:
-    on_play:
-      - media_player.stop:
-    on_pause:
-      - media_player.toggle:
-      - wait_until:
-          media_player.is_idle:
-      - wait_until:
-          media_player.is_playing:
-      - wait_until:
-          media_player.is_announcing:
-      - wait_until:
-          media_player.is_paused:
-      - media_player.volume_up:
-      - media_player.volume_down:
-      - media_player.volume_set: 50%

tests/components/prometheus/test.esp32-c3-ard.yaml

@@ -1,5 +0,0 @@
-substitutions:
-  verify_ssl: "false"
-  pin: GPIO2
-
-<<: !include common.yaml