[Ref Architecture] Remove trailing spaces

[vil02]

Summary

This PR removes some trailing spaces.

Similar to #19700.

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PR Change Summary

Removed trailing spaces from multiple documentation files to improve formatting consistency.

• Eliminated trailing spaces in various sections of the documentation.
• Enhanced overall readability and formatting of the affected documents.

Modified Files

• src/content/docs/reference-architecture/architectures/load-balancing.mdx
• src/content/docs/reference-architecture/design-guides/leveraging-cloudflare-for-your-saas-applications.mdx
• src/content/docs/reference-architecture/design-guides/streamlined-waf-deployment-across-zones-and-applications.mdx
• src/content/docs/reference-architecture/diagrams/ai/bigquery-workers-ai.mdx
• src/content/docs/reference-architecture/diagrams/network/bring-your-own-ip-space-to-cloudflare.mdx
• src/content/docs/reference-architecture/diagrams/sase/augment-access-with-serverless.mdx
• src/content/docs/reference-architecture/diagrams/serverless/programmable-platforms.mdx

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