docs: Update Protocol Kit redirects and RemovedContentCallout

[germartinez]

Context

This PR:

• Updates Protocol Kit Reference redirects
• Updates the RemovedContentCallout component to pass the content as a children instead of string to handle links correctly and formatted words.

[github-actions]

Branch preview

✅ Deployed successfully in branch deployment:

https://update_callout--docs.review.5afe.dev

[github-actions]

Overall readability score: 30.96 (🔴 -0.18)

File	Readability
overview.mdx	20.97 (-)
onramp.mdx	48.99 (🟢 +0)
monerium.mdx	66.58 (🟢 +0)
stripe.mdx	49.01 (🟢 +0)
execute-transactions.mdx	69.15 (🟢 +0)
multichain-safe-deployment.mdx	34.01 (🟢 +3.21)
safe-deployment.mdx	24.01 (🟢 +0)
signers.mdx	45.27 (🟢 +0)

View detailed metrics

🟢 - Shows an increase in readability
🔴 - Shows a decrease in readability

File	Readability	FRE	GF	ARI	CLI	DCRS
overview.mdx	20.97	8.03	13	19.3	19	9.31
	-	-	-	-	-	-
onramp.mdx	48.99	37.81	10.24	14.2	14.67	7.8
	🟢 +0	🟢 +0	🟢 +0	🟢 +0	🟢 +0	🟢 +0
monerium.mdx	66.58	49.31	8.59	10.4	11.77	6.79
	🟢 +0	🟢 +0	🟢 +0	🟢 +0	🟢 +0	🟢 +0
stripe.mdx	49.01	40.35	9.07	15.5	15.88	7.43
	🟢 +0	🟢 +0	🟢 +0	🟢 +0	🟢 +0	🟢 +0
execute-transactions.mdx	69.15	56.96	9.11	9.9	10.84	6.74
	🟢 +0	🟢 +0	🟢 +0	🟢 +0	🟢 +0	🟢 +0
multichain-safe-deployment.mdx	34.01	41.53	15.13	20.7	13.36	7.68
	🟢 +3.21	🟢 +2.03	🟢 +0.77	🟢 +0.9	🔴 -0.12	🟢 +0.13
safe-deployment.mdx	24.01	30.13	17.01	22	13.76	8.44
	🟢 +0	🟢 +0	🟢 +0	🟢 +0	🟢 +0	🟢 +0
signers.mdx	45.27	29.86	10.57	14.8	15.54	7.72
	🟢 +0	🟢 +0	🟢 +0	🟢 +0	🟢 +0	🟢 +0

Averages:

	Readability	FRE	GF	ARI	CLI	DCRS
Average	30.96	26.38	13.5	18.06	15.94	8.78
	🔴 -0.18	🔴 -0.22	🔴 -0.01	🔴 -0.04	🔴 -0.03	🔴 -0.01

View metric targets

Metric	Range	Ideal score
Flesch Reading Ease	100 (very easy read) to 0 (extremely difficult read)	60
Gunning Fog	6 (very easy read) to 17 (extremely difficult read)	8 or less
Auto. Read. Index	6 (very easy read) to 14 (extremely difficult read)	8 or less
Coleman Liau Index	6 (very easy read) to 17 (extremely difficult read)	8 or less
Dale-Chall Readability	4.9 (very easy read) to 9.9 (extremely difficult read)	6.9 or less