[NLRS] NLRS web site updates

[Jon Platt via NLRS]

Hello NLRS land -

I did some cleaning up and updating to the "Nets and Weak Signal Promotional Tools" subpage at nlrs.org.  I removed the 222 and 432 nets and added the N4PZ 432.105 info.   

Let me know of any other fixes, etc.

73, Jon
W0ZQ