[WIP] Resolve issue #798 - investigate Qt build performance (#1245)
[WIP] Resolve issue #798 - investigate Qt build performance (#1245)

Summary:
Qt build investigated, negligible performance impact gained from excluding non-critical code

tst-ccamp/earthenterprise,tst-lsavoie/earthenterprise,tst-lsavoie/earthenterprise,google/earthenterprise,tst-lsavoie/earthenterprise,tst-mswartz/earthenterprise,tst-eclamar/earthenterprise,tst-lsavoie/earthenterprise,tst-ccamp/earthenterprise,tst-mswartz/earthenterprise,tst-mswartz/earthenterprise,tst-lsavoie/earthenterprise,tst-ccamp/earthenterprise,tst-lsavoie/earthenterprise,google/earthenterprise,tst-eclamar/earthenterprise,tst-ccamp/earthenterprise,tst-lsavoie/earthenterprise,tst-mswartz/earthenterprise,google/earthenterprise,tst-eclamar/earthenterprise,tst-mswartz/earthenterprise,tst-eclamar/earthenterprise,google/earthenterprise,tst-eclamar/earthenterprise,tst-eclamar/earthenterprise,google/earthenterprise,tst-eclamar/earthenterprise,google/earthenterprise,tst-lsavoie/earthenterprise,tst-ccamp/earthenterprise,tst-ccamp/earthenterprise,google/earthenterprise,tst-eclamar/earthenterprise,tst-mswartz/earthenterprise,google/earthenterprise,tst-ccamp/earthenterprise,tst-mswartz/earthenterprise,tst-mswartz/earthenterprise,tst-eclamar/earthenterprise,tst-ccamp/earthenterprise,tst-ccamp/earthenterprise