[chirp_devel] Update WX channel stock config. Fixes #2697.

[Dan Smith]

Hi Tyler,

> diff -r 6a1b2e2cc788 -r ef0c41960ec0 stock_configs/NOAA Weather Alert.csv
> --- a/stock_configs/NOAA Weather Alert.csv	Tue Dec 22 10:32:27 2015 -0800
> +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000

I have the same concern about renaming this file as I did before,
because people will now have a confusing and overlapping set of stock
configs.

--Dan