Remove unused setupExtensionWatcher

[isaacroldan]

WHY are these changes introduced?

Removes the extension bundler watcher and its tests as they are no longer needed after migrating to the new AppWatcher flow.

WHAT is this pull request doing?

Deletes bundler.ts and bundler.test.ts files which were responsible for watching and rebuilding extensions during development. This functionality has been replaced by the new AppWatcher flow.

How to test your changes?

Nothing to test, this PR just removes dead code.

Measuring impact

• n/a - this doesn't need measurement, e.g. a linting rule or a bug-fix

Checklist

• I've considered possible cross-platform impacts (Mac, Linux, Windows)
• I've considered possible documentation changes

[isaacroldan]

• Remove unused setupExtensionWatcher #4904 👈 (View in Graphite)
• Use AppWatcher for function replay #4892
• Copy extension build output to legacy location #4890
• Use AppWatcher events for extension drafts #4889
• Remove watch options from bundle extension functions #4888
• main

This stack of pull requests is managed by Graphite. Learn more about stacking.

[github-actions]

Unused dependencies (1)

Filename	dependencies
packages/app/package.json	micromatch

Unused devDependencies (1)

Filename	devDependencies
packages/app/package.json	@types/micromatch

Unused types (1)

Filename	types
packages/app/src/cli/services/build/extension.ts	BuildFunctionExtensionOptions

[github-actions]

We detected some changes at packages/*/src and there are no updates in the .changeset.
If the changes are user-facing, run "pnpm changeset add" to track your changes and include them in the next release CHANGELOG.

[github-actions]

Coverage report

St.❔	Category	Percentage	Covered / Total
🟡	Statements	75.29% (-0.12% 🔻)	8632/11465
🟡	Branches	70.69% (-0.09% 🔻)	4208/5953
🟡	Functions	74.9% (-0.08% 🔻)	2265/3024
🟡	Lines	75.85% (-0.11% 🔻)	8164/10763

Show files with reduced coverage 🔻

St.❔	File	Statements	Branches	Functions	Lines
🟢	... / extension-instance.ts	80.5% (-4.75% 🔻)	76.52% (-4.01% 🔻)	90.2% (-1.8% 🔻)	81.51% (-5.3% 🔻)
🟢	... / dev-session.ts	85.96% (-0.52% 🔻)	68.33% (+2.26% 🔼)	91.67% (+0.76% 🔼)	92.93% (+0.22% 🔼)
🟢	... / useFunctionWatcher.ts	80%	62.5% (-4.17% 🔻)	63.16%	84% (+1.02% 🔼)

Test suite run success

1949 tests passing in 888 suites.

Report generated by 🧪jest coverage report action from 6d55815

[isaacroldan]

Merge activity

• Nov 25, 6:00 AM EST: A user started a stack merge that includes this pull request via Graphite.
• Nov 25, 6:03 AM EST: Graphite rebased this pull request as part of a merge.
• Nov 25, 6:09 AM EST: A user merged this pull request with Graphite.