Remove MIRA
- Removed all the ENABLE_MIRA #ifdefs and #ifndefs from the code
- Removed
mira
fromlibraries
- Added a fatal error in CMakeLists about the removal of MIRA, which is displayed after passing the option
ENABLE_MIRA=ON
- Removed empty functions and structs previously used by MIRA
- Added optional ENABLE_STD_ALLOCATOR macro definition instead of the old ENABLE_MIRA in allocators