Remove unused option SMOOTH_GEOMETRY #8195

Job	Run time
Build SU2 (BaseMPI)	13m 2s
Build SU2 (ReverseMPI)	14m 19s
Build SU2 (ForwardMPI)	11m 42s
Build SU2 (BaseNoMPI)	7m 41s
Build SU2 (ReverseNoMPI)	12m 29s
Build SU2 (ForwardNoMPI)	9m 35s
Build SU2 (BaseOMP)	8m 8s
Build SU2 (ReverseOMP)	14m 33s
Build SU2 (ForwardOMP)	10m 13s
Build SU2 (asan) (BaseNoMPI-asan)	16m 46s
Build SU2 (asan) (ReverseNoMPI-asan)	44m 21s
Build SU2 (tsan) (BaseOMP-tsan)	11m 37s
Build SU2 (tsan) (ReverseOMP-tsan)	26m 58s
Unit Tests (test_driver)	1m 29s
Regression Tests (vandv.py)	2m 11s
Unit Tests (test_driver_AD)	1m 31s
Regression Tests (tutorials.py)	4m 35s
Unit Tests (test_driver_DD)	51s
Regression Tests (parallel_regression.py)	13m 37s
Regression Tests (parallel_regression_AD.py)	9m 18s
Regression Tests (serial_regression.py)	15m 48s
Regression Tests (serial_regression_AD.py)	5m 6s
Regression Tests (hybrid_regression.py)	10m 37s
Regression Tests (hybrid_regression_AD.py)	3m 16s
Thread Sanitizer Tests (hybrid_regression.py)	26m 2s
Thread Sanitizer Tests (hybrid_regression_AD.py)	10m 54s
Address Sanitizer Tests (serial_regression.py)	14m 29s
Address Sanitizer Tests (serial_regression_AD.py)	4m 31s
	5h 25m 39s

Provide feedback