Use amre::removeInvalidParticles for the Beam

[AlexanderSinn]

Use the new amrex::removeInvalidParticles and amrex::partitionParticles to use less memory in shiftSlippedParticles.
Additionally, this allows shiftSlippedParticles to work with runtime components.

In a test, the new version of shiftSlippedParticles was slightly faster and reduced its memory usage from 373 MiB to 7 MiB.

• Small enough (< few 100s of lines), otherwise it should probably be split into smaller PRs
• Tested (describe the tests in the PR description)
• Runs on GPU (basic: the code compiles and run well with the new module)
• Contains an automated test (checksum and/or comparison with theory)
• Documented: all elements (classes and their members, functions, namespaces, etc.) are documented
• Constified (All that can be const is const)
• Code is clean (no unwanted comments, )
• Style and code conventions are respected at the bottom of https://github.com/Hi-PACE/hipace
• Proper label and GitHub project, if applicable

[MaxThevenet]

Thanks for this PR!