Remove inertia value from vehicle weapon script.
Inertia will soon be removed so remove the values too.
Fixes https://git.empiresmod.com/empires_assets/empires_build/issues/269
Edited by Neoony
Inertia will soon be removed so remove the values too.
Fixes https://git.empiresmod.com/empires_assets/empires_build/issues/269