games/aquaria: partially revert r518662

aarch64 and armv7 weren't affected. amd64 was fixed since LLD 7 but
i386 still fails. Losing LTO (and CFI) support is not worth just for
consistency with an architecture that may become Tier2 in future.

ld: error: cannot preempt symbol: alGetSourcei

defined in /usr/local/lib/libopenal.so
referenced by FmodOpenALBridge.cpp

CMakeFiles/aquaria.dir/BBGE/FmodOpenALBridge.cpp.o:(OggDecoder::decode_loop(OggDecoder*))

Pointy hat to: jbeich (bug 242307 comment 11)