Remove Toggle enum #1075

Job	Run time
Check (stm32f301x6)	34s
Check MSRV	4m 22s
Check minimal feature set	33s
Check Minimal Dependency Versions	33s
Check (stm32f318x8)	37s
Check (stm32f302x6)	38s
Check (stm32f302xb)	36s
Build Testsuite	37s
Check Documentation Build	36s
Check (stm32f302xd)	35s
Check (stm32f303x6)	36s
Clippy	38s
Check (stm32f303xb)	36s
Rustfmt	13s
Check (stm32f303xc)	40s
Check (stm32f303xd)	36s
Check (stm32f328x8)	36s
Check (stm32f358xc)	38s
Cargo Deny	19s
Check (stm32f398xe)	36s
Check (stm32f373x8)	36s
Check (stm32f378xc)	38s
Check Codegen	21s
Check (stm32f334x4)	41s
Link Checker	9s
Markdown Lint	13s
	17m 47s

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