fix(nextjs): remove redundant protection CSP source #31262

Job	Run time
Check Permissions	6s
Build Packages	34s
Formatting \| Dedupe \| Changeset	57s
Publish with pkg-pr-new	1m 12s
Bundle size	34s
Unit Tests (**)	46s
Static analysis	52s
Unit Tests (**)	1m 11s
Integration Tests (sessions, chrome)	1m 0s
Integration Tests (nuxt, chrome)	1m 1s
Integration Tests (handshake:staging, chrome)	52s
Integration Tests (express, chrome)	57s
Integration Tests (ap-flows, chrome)	56s
Integration Tests (hono, chrome)	52s
Integration Tests (fastify, chrome)	56s
Integration Tests (react-router, chrome)	57s
Integration Tests (sessions:staging, chrome)	57s
Integration Tests (custom, chrome)	56s
Integration Tests (tanstack-react-start, chrome)	1m 0s
Integration Tests (handshake, chrome)	57s
Integration Tests (vue, chrome)	48s
Integration Tests (astro, chrome)	51s
Integration Tests (generic, chrome)	50s
Integration Tests (quickstart, chrome, 15)	57s
Integration Tests (nextjs, chrome, 15)	58s
Integration Tests (billing, chrome)	50s
Integration Tests (quickstart, chrome, 16)	45s
Integration Tests (electron, chrome)	55s
Integration Tests (cache-components, chrome, 16)	54s
Integration Tests (machine, chrome)	59s
Integration Tests (chrome-extension, chrome)	1m 0s
Integration Tests (nextjs, chrome, 16)	53s
Integration Tests (localhost, chrome)	35s
	28m 48s

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