Clean Code for ui/org.eclipse.pde.launching

[eclipse-pde-bot]

The following cleanups were applied:

• Add final modifier to private fields
• Add missing '@Deprecated' annotations
• Add missing '@Override' annotations
• Add missing '@Override' annotations to implementations of interface methods
• Convert control statement bodies to block
• Make inner classes static where possible
• Remove trailing white spaces on all lines
• Remove unnecessary array creation for varargs
• Remove unnecessary suppress warning tokens
• Remove unused imports
• Replace deprecated calls with inlined content where possible
• Use pattern matching for instanceof

[github-actions]

Test Results

   765 files  ±0     765 suites  ±0   54m 5s ⏱️ - 3m 46s
 3 611 tests  - 1   3 535 ✅ ±0   76 💤 ±0  0 ❌ ±0 
10 833 runs   - 1  10 602 ✅ ±0  231 💤 ±0  0 ❌ ±0 

Results for commit b75bf3f. ± Comparison against base commit f702744.

This pull request removes 1 test.

[23: Toolbar contribution using 4.x API] ‑ Unknown test