Test

Remove all code related to `fluidbox.base_level` #210

Job	Run time
Push / Generate strategy matrix	25s
Push / CrashTest PyHT	16s
Push / CrashTest PyRO, PyHT	17s
Push / CrashTest PyPH, PyHT	16s
Push / CrashTest PyPH, PyRO, PyHT	18s
Push / CrashTest PyAl, PyHT	27s
Push / CrashTest PyAE	28s
Push / TechTree ${{ matrix.name }}	0s
Push / Discord Notification	4s
	2m 31s

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