chore: remove hal_st/stm32fxxx/DacStm

[richardapeters]

No description provided.

[github-actions]

🦙 MegaLinter status: ⚠️ WARNING

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ ACTION	actionlint	5		0	0.09s
⚠️ MARKDOWN	markdownlint	20	14	2	3.14s
⚠️ MARKDOWN	markdown-link-check	20		13	34.48s
✅ MARKDOWN	markdown-table-formatter	20	14	0	1.16s
✅ REPOSITORY	checkov	yes		no	27.46s
✅ REPOSITORY	dustilock	yes		no	0.05s
✅ REPOSITORY	gitleaks	yes		no	101.95s
✅ REPOSITORY	git_diff	yes		no	1.14s
✅ REPOSITORY	grype	yes		no	22.23s
✅ REPOSITORY	kics	yes		no	14.93s
✅ REPOSITORY	secretlint	yes		no	32.87s
✅ REPOSITORY	syft	yes		no	0.74s
✅ REPOSITORY	trivy	yes		no	4.39s
✅ REPOSITORY	trivy-sbom	yes		no	1.71s
✅ REPOSITORY	trufflehog	yes		no	38.66s
⚠️ SPELL	lychee	81		1	0.09s
✅ XML	xmllint	17	0	0	1.07s
✅ YAML	prettier	7	1	0	1.89s
✅ YAML	v8r	7		0	6.86s
✅ YAML	yamllint	7		0	0.6s

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