Backend: Remove unused CDE related code

[AustinSMueller]

Backend: Remove unused CDE related code

[relativeci]

#274 Bundle Size — 12.87MiB (+100%).

⚠️ Baseline job is missing

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Bundle contains 54 duplicate packages – View duplicate packages

Bundle metrics  no changes

	Current #274	Baseline
Initial JS	877.16KiB	-
Initial CSS	0B	-
Cache Invalidation	0%	-
Chunks	74	-
Assets	117	-
Modules	9159	-
Duplicate Modules	0	-
Duplicate Code	0%	-
Packages	320	-
Duplicate Packages	53	-

Bundle size by type  no changes

	Current #274	Baseline
JS	10.35MiB (+100%)	-
IMG	1.72MiB (+100%)	-
Fonts	805.07KiB (+100%)	-
CSS	18KiB (+100%)	-

Bundle analysis report Branch remove-cde Project dashboard

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[Copilot]

Pull request overview

This PR removes unused backend support for CDE (Common Data Elements), including the GraphQL query surface area, service/DAO implementation, Prisma model, and their associated unit tests.

Changes:

• Removed retrieveCDEs GraphQL query and its CDE/CDEInput schema types.
• Deleted the CDE service (CDEService) and DAO (dao/cde.js) plus corresponding Jest test suites.
• Removed the CDE Prisma model and the MODEL_NAME.CDE constant entry.

Reviewed changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
apps/backend/test/services/CDEService.getCDEs.test.js	Removed unit tests for the deleted CDE service method.
apps/backend/test/dao/dao.cde.test.js	Removed unit tests for the deleted CDE DAO method.
apps/backend/services/CDEService.js	Deleted unused CDE service implementation.
apps/backend/routers/graphql-router.js	Removed CDE service wiring and resolver (retrieveCDEs) from GraphQL root.
apps/backend/resources/graphql/crdc-datahub.graphql	Removed CDE/CDEInput types and retrieveCDEs query from the schema.
apps/backend/prisma/schema.prisma	Removed the CDE Prisma model definition.
apps/backend/dao/cde.js	Deleted unused CDE DAO implementation.
apps/backend/constants/db-constants.js	Removed MODEL_NAME.CDE constant entry.

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