Rename build files from TARGETS to BUCK (group ID: 3407902480605305541) (#19422)

[bigfootjon]

Summary: Pull Request resolved: #19422

Reviewed By: bigfootjon

Differential Revision: D104414913

[pytorch-bot]

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[Copilot]

Pull request overview

Renames Buck build definition files from TARGETS to BUCK in a couple of devtools areas, using fbcode_target / non_fbcode_target wrappers to keep fbcode vs xplat definitions gated appropriately.

Changes:

• Remove TARGETS files and add equivalent BUCK files.
• Wrap migrated target definitions with fbcode_target / non_fbcode_target.
• Merge an fbcode-only runtime.python_library target into the new BUCK for bundled program schema.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 3 comments.

File	Description
devtools/etdump/data_sinks/tests/TARGETS	Deleted in favor of BUCK migration.
devtools/etdump/data_sinks/tests/BUCK	New BUCK file for data_sinks tests, currently only gated for fbcode.
devtools/bundled_program/schema/TARGETS	Deleted after merging targets into BUCK.
devtools/bundled_program/schema/BUCK	BUCK now contains both non-fbcode (xplat) and fbcode-gated targets after migration.

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