MNT: Fix malformed record in station test data
MNT: Fix malformed record in station test data

CSV data had a comma in the remarks column. Remove that so that it
parses better.

ShawnMurd/MetPy,Unidata/MetPy,Unidata/MetPy,dopplershift/MetPy,ahaberlie/MetPy,jrleeman/MetPy,jrleeman/MetPy,dopplershift/MetPy,ahaberlie/MetPy