Clean up cmake lib checks in tuxmath
completed by: Aviral Dasgupta
mentors: David Bruce
Many of the lib checks in tuxmath's cmake build are redundant now that the relevant code has been moved into t4k_common
completed by: Aviral Dasgupta
mentors: David Bruce
Many of the lib checks in tuxmath's cmake build are redundant now that the relevant code has been moved into t4k_common