Refactoring of EsoTwist classes

Data

Deleted:

• D3Q27EsoTwist3DSoA
• D3Q27EsoTwist3DSplittedVectorEx
• EsoTwistD3Q27System
• VoidData3D

Renamed:

• D3Q27EsoTwist3DSplittedVector -> EsoSplit
• EsoTwist direction names from ET_XXX to eXXX
• from ET_E...ET_BSW to eP00...eMMM
• from etE...etBSW to etP00...etMMM

Kernel

Deleted:

• VoidLBMKernel

Link

• Deleted commit hash: ca69aa96
• Last commit containing the kernel hash: ca0a0ffa
• Merge Request: https://git.rz.tu-bs.de/irmb/VirtualFluids_dev/-/merge_requests/310