Revert "[PLAT-6849] Added tests, simplified annuity builders"

This reverts commit 643109e30bd92588549db1ea9655f7b1668b648c.
[PLAT-6851] patch up FXDigitalCallSpreadBlackFunction
[PLAT-6851] switch more classes to nondeprecated API
[PLAT-6851] fixing up forex defn
[PLAT-6851] remove deprecated forex tests
[PLAT-6851] remove deprecated test methods
[PLAT-6851] fix up more forex
[PLAT-6851] fix up more forex
[PLAT-6851] fix up forex option single barrier
[PLAT-6851] fix up IR future option defns
[PLAT-6851] Remove deprecated ForexNonDeliverableOptionBlackMethodTest
[PLAT-6851] Remove deprecated ForexDerivativeVisitorTest
[PLAT-6851] Remove a swathe of deprecated stuff to get analytics to compile
[PLAT-6851] remove financial classes to get back to compiling state
[PLAT-6851] patch up function configs
[PLAT-6851] patch up OG-Web
[PLAT-6851] Remove deprecated bond classes and patch up some tests
[PLAT-6851] Patch up from last commit
[PLAT-6851] removed more deprecated tests