Remove triagebot.toml #353

Job	Run time
test	49s
Clippy	23s
Format	17s
check (thumbv6m-none-eabi, stable)	23s
check (thumbv7em-none-eabihf, stable)	14s
check (thumbv6m-none-eabi, nightly)	23s
rustdoc	19s
check (thumbv7em-none-eabihf, nightly)	24s
	3m 12s

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