Revert "xcode 12 build for intel only."
Revert "xcode 12 build for intel only."

This reverts commit 865283ef247a1b69f0eebb2f9d4bf09f27578524.

ThesaurusSoftware/GRMustache,ThesaurusSoftware/GRMustache,ThesaurusSoftware/GRMustache