remove unimpelemented htl binding #6

Job	Run time
build / Fetch Build Keyboards	5s
build / Build (seeeduino_xiao_ble, tern_ble)	2m 15s
build / Build (seeeduino_xiao_ble, settings_reset)	3m 17s
build / Merge Output Artifacts	-1s
	5m 36s

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