Remove extra GetNewUnit calls from AD14 #1186

Job	Run time
build-postlib-release	3m 51s
build-drivers-release	3m 50s
build-all-debug	3m 50s
build-test-uadriver-debug	2m 1s
build-all-debug-single	3m 17s
rtest-modules-debug	1s
rtest-module-drivers	1s
build-openfast-release	1s
build-interfaces-release	1s
build-fastfarm-release	1s
rtest-interfaces	1s
rtest-OF	1s
rtest-FF	1s
rtest-OF-5MW_Land_BD_DLL_WTurb	1s
rtest-OF-5MW_OC3Mnpl_DLL_WTurb_WavesIrr	1s
rtest-OF-5MW_OC3Trpd_DLL_WSt_WavesReg	1s
rtest-OF-5MW_OC4Jckt_DLL_WTurb_WavesIrr_MGrowth	1s
rtest-OF-5MW_OC4Semi_WSt_WavesWN	1s
rtest-OF-linearization	1s
	17m 3s

Provide feedback