Remove elf2e32 and other mmp references which eclipse the binaries_prebuilt versions from sftools/dev/build
NB. transasm should go as well, but the prebuilt binaries don't have the GCC_SURGE fix yet.
VARIANT A2
EXTENDS groupA
VIRTUAL
BUILD_INCLUDE set /epoc32/include/A2/build
BUILD_INCLUDE append /epoc32/include/A2/build2
ROM_INCLUDE set /epoc32/include/A2/rom
VARIANT_HRH /epoc32/include/e32std.h