Remove legacy references to EvolveEM which had been renamed Evolve #1279

Job	Run time
GCC 1D & 2D w/ MPI	29m 43s
GCC 3D & RZ w/ MPI, single precision	35m 59s
GCC Minimal w/o MPI	25m 29s
GCC ABLASTR w/o MPI	5m 53s
Clang pywarpx	22m 44s
	1h 59m 48s

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