[remote_transmitter] Drop a transmit while the RMT is busy instead of queueing it

tests/components/remote_transmitter/esp32-common.yaml

@@ -5,8 +5,6 @@ remote_transmitter:
     non_blocking: true
     clock_resolution: ${clock_resolution}
     rmt_symbols: ${rmt_symbols}
-    queue_depth: 4
-    max_pending: 8
 
 packages:
   buttons: !include common-buttons.yaml

tests/components/remote_transmitter/validate-queue-depth-1.esp32-idf.yaml

@@ -1,12 +0,0 @@
-substitutions:
-  pin: GPIO2
-
-remote_transmitter:
-  - id: xmitr
-    pin: ${pin}
-    carrier_duty_percent: 50%
-    non_blocking: true
-    queue_depth: 1
-
-packages:
-  buttons: !include common-buttons.yaml