Remove SecurityManager layer #11756

Job	Run time
Build Clusters on JDK 17	57s
Build Clusters on JDK 21	56s
NetBeans on nb-javac	0s
Build Clusters on JDK 24-ea	1m 10s
Check Paperwork on Linux/JDK 17	1m 32s
Build-System / Misc Tests on Linux/JDK ${{ matrix.java }}	0s
CV on ${{ matrix.os }}/JDK ${{ matrix.java }}	0s
Build ${{ matrix.config }} from src.zip on JDK ${{ matrix.java }}	0s
IDE Modules on Linux/JDK ${{ matrix.java }}	0s
Build-Tools on Linux/JDK ${{ matrix.java }}	0s
Java Hints ${{ matrix.config }} on Linux/JDK ${{ matrix.java }}	0s
Java Modules on Linux/JDK ${{ matrix.java }}	0s
Platform Modules batch1 on Linux/JDK ${{ matrix.java }} (some on 8)	0s
Java Debugger tests on Linux/JDK ${{ matrix.java }}	0s
Platform Modules batch2 on Linux/JDK ${{ matrix.java }}	0s
Profiler on Linux/JDK ${{ matrix.java }}	0s
Groovy on Linux/JDK ${{ matrix.java }}	0s
JavaFX on Linux/JDK ${{ matrix.java }}	0s
Rust on Linux/JDK ${{ matrix.java }}	0s
Web Modules on Linux/JDK ${{ matrix.java }}	0s
Enterprise on Linux/JDK ${{ matrix.java }}	0s
DB Tests with MySQL on Linux/JDK ${{ matrix.java }}	0s
Versioning Modules on Linux/JDK ${{ matrix.java }}	0s
LSP tests on Linux/JDK ${{ matrix.java }}	0s
PHP on ${{ matrix.os }}/JDK ${{ matrix.java }}	0s
VSCode Extension Tests on JDK ${{ matrix.java }}	0s
GraalVM ${{ matrix.graal }} Tests	0s
Cleanup Workflow Artifacts	0s
	4m 35s

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