[fix] Remove `LD_PRELOAD`/`DYLD_INSERT_LIBRARIES` at startup
[fix] Remove `LD_PRELOAD`/`DYLD_INSERT_LIBRARIES` at startup

Make it possible to launch binaries of different architectures (32 vs 64
bit).

Fixes #32.

mmalecki/forza,mmalecki/forza,npm/forza,opsmezzo/forza,opsmezzo/forza,mmalecki/forza,opsmezzo/forza,cloudninja-io/libinterposed