Removing legacy python integration #226

Job	Run time
test (d2q9, float, same, true)	4m 14s
test (d2q9, float, same, false)	4m 0s
test (d2q9, float, half, true)	4m 17s
test (d2q9, float, half-shift, true)	4m 19s
test (d2q9, float, float, true)	4m 15s
test (d2q9, float, float, false)	4m 17s
test (d2q9, float, float-shift, true)	4m 21s
test (d2q9, float, float-shift, false)	3m 58s
test (d2q9, double, same, true)	4m 11s
test (d2q9, double, same, false)	4m 7s
test (d2q9, double, half, true)	4m 1s
test (d2q9, double, half-shift, true)	4m 8s
test (d2q9, double, float, true)	4m 11s
test (d2q9, double, float, false)	3m 56s
test (d2q9, double, float-shift, true)	4m 8s
test (d2q9, double, float-shift, false)	4m 6s
test (d2q9, double, double, true)	4m 12s
test (d2q9, double, double, false)	4m 1s
	1h 14m 42s

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