remove Exceptions not actually thrown

[jukzi]

eliminates problem markers and dead code

[github-actions]

Test Results

   277 files  ±0     277 suites  ±0   53m 27s ⏱️ -42s
 3 498 tests ±0   3 462 ✅ ±0   36 💤 ±0  0 ❌ ±0 
10 625 runs  ±0  10 523 ✅ ±0  102 💤 ±0  0 ❌ ±0 

Results for commit 9613798. ± Comparison against base commit 25a06e7.

♻️ This comment has been updated with latest results.

[jukzi]

unrelated fail on mac:

Error: Failed to execute goal org.eclipse.tycho:tycho-surefire-plugin:4.0.5-SNAPSHOT:test (pde-build-tests) on project org.eclipse.pde.build.tests: Installation of IUs [org.eclipse.pde.build.tests, org.eclipse.tycho.surefire.osgibooter, org.eclipse.tycho.surefire.junit4] failed: Call to p2 director application failed with exit code 13. Program arguments were: [-metadataRepository, file:/Users/runner/work/eclipse.pde/eclipse.pde/build/org.eclipse.pde.build.tests/target/,file:/Users/runner/work/eclipse.pde/eclipse.pde/build/org.eclipse.pde.build.tests/target/targetPlatformRepository/,file:/Users/runner/work/eclipse.pde/eclipse.pde/build/org.eclipse.pde.build.tests/target/p2temp/additionalBundles/, -artifactRepository, file:/Users/runner/work/eclipse.pde/eclipse.pde/build/org.eclipse.pde.build.tests/target/,file:/resolution-context-artifacts@%252FUsers%252Frunner%252Fwork%252Feclipse.pde%252Feclipse.pde%252Fbuild%252Forg.eclipse.pde.build.tests,file:/Users/runner/work/eclipse.pde/eclipse.pde/build/org.eclipse.pde.build/target/,file:/Users/runner/work/eclipse.pde/eclipse.pde/build/org.eclipse.pde.build.tests/target/,file:/Users/runner/work/eclipse.pde/eclipse.pde/build/org.eclipse.pde.build.tests/target/,file:/Users/runner/.m2/repository/,file:/Users/runner/work/eclipse.pde/eclipse.pde/build/org.eclipse.pde.build.tests/target/p2temp/additionalBundles/, -installIU, org.eclipse.pde.build.tests,org.eclipse.tycho.surefire.osgibooter,org.eclipse.tycho.surefire.junit4, -destination, /Users/runner/work/eclipse.pde/eclipse.pde/build/org.eclipse.pde.build.tests/target/sdk-product/Eclipse.app/Contents/Eclipse, -profile, SDKProfile, -profileProperties, org.eclipse.update.install.features=true, -roaming, -p2.os, macosx, -p2.ws, cocoa, -p2.arch, x86_64]. -> [Help 1]