clang-tidy -checks=-*,modernize-use-using

apps/benchmarks/ComplexGeometry/ComplexGeometry.cpp

apps/benchmarks/CouetteFlow/CouetteFlow.cpp

...arPlaneInShearFlow/ForcesOnSphereNearPlaneInShearFlow.cpp

...marks/MotionSingleHeavySphere/MotionSingleHeavySphere.cpp

apps/benchmarks/NonUniformGrid/NonUniformGrid.cpp

apps/benchmarks/PeriodicGranularGas/PeriodicGranularGas.cpp

apps/benchmarks/PoiseuilleChannel/PoiseuilleChannel.cpp

apps/benchmarks/SchaeferTurek/SchaeferTurek.cpp

apps/benchmarks/UniformGrid/UniformGrid.cpp

...ases/BidisperseFluidizedBed/BidisperseFluidizedBedDPM.cpp

apps/tutorials/lbm/01_BasicLBM.cpp

apps/tutorials/lbm/02_BasicLBM_ExemplaryExtensions.cpp

apps/tutorials/lbm/03_LBLidDrivenCavity.cpp

apps/tutorials/pde/01_SolvingPDE.cpp

apps/tutorials/pde/02_HeatEquation.cpp

apps/tutorials/pde/03_HeatEquation_Extensions.cpp

src/blockforest/loadbalancing/StaticParMetis.cpp

src/geometry/structured/extern/lodepng.cpp

src/pe/Materials.cpp

src/pe_coupling/utility/TimeStep.cpp