Draft:[Seems unnecessary] Disable RELRO for devel/electron13

I found that devel/electron13 building fails on HBSD building server, but it works fine on FreeBSD http://beefy16.nyi.freebsd.org/build.html?mastername=130amd64-default&build=d7013b0b87e7

So I think this is because of some hardening options, so I disabled RELRO (because chromium have it disabled) and I cannot compile it on my Pentium 2030M Laptop so I want someone else to test it and tell me if it works

(sorry for bad english)