removed duplicate stations in stat_locs

inst/stat_locs.csv

@@ -7,7 +7,6 @@ acesp,32.5233,-80.3568,-5
 apacp,29.7021,-84.8802,-5
 apadb,29.6747,-85.0583,-5
 apaeb,29.7909,-84.8834,-5
-apaeb,29.7858,-84.8752,-5
 apaeg,29.7308,-84.9452,-5
 apaes,29.7858,-84.8752,-5
 apamb,29.6677,-84.994,-5
@@ -22,13 +21,9 @@ cbmmc,38.7433,-76.7074,-5
 cbmoc,39.4507,-76.2746,-5
 cbmrr,38.7813,-76.7137,-5
 cbvcb,37.34855,-76.61123,-5
-cbvcb,37.346665,-76.611263,-5
 cbvci,37.3,-76.55,-5
 cbvgi,37.21739,-76.3954,-5
-cbvgi,37.215796,-76.392675,-5
 cbvsh,37.57138,-76.88424,-5
-cbvtc,37.4141,-76.71237,-5
-cbvtc,37.41497,-76.71441,-5
 cbvtc,37.414986,-76.71442,-5
 cbvyb,37.2449,-76.5052,-5
 delbb,39.4024,-75.628,-5
@@ -56,7 +51,6 @@ grbor,43.134,-70.911,-5
 grbsq,43.052403,-70.911811,-5
 gtmfm,29.737041,-81.245953,-5
 gtmpc,29.657702,-81.232743,-5
-gtmpc,29.667071,-81.257403,-5
 gtmpi,30.050857,-81.367465,-5
 gtmss,29.868851,-81.307428,-5
 hudfs,42.0182,-73.917,-5
@@ -94,7 +88,6 @@ marmb,28.1384,-96.8285,-6
 marcw,28.0841,-97.2009,-6
 narnc,41.62485,-71.324283,-5
 narpc,41.637139,-71.339386,-5
-narpc,41.64055,-71.340881,-5
 nartb,41.578361,-71.321125,-5
 narts,41.578361,-71.321125,-5
 niwcb,33.3338636,-79.1930411,-5
@@ -104,7 +97,6 @@ niwta,33.2991461,-79.2560564,-5
 nocec,33.9399,-77.9411,-5
 noclc,34.1722,-77.8328,-5
 nocrc,34.1555,-77.8509,-5
-nocrc,34.156,-77.8499,-5
 noczb,33.9547,-77.935,-5
 owcbr,41.3483,-82.5083,-5
 owcol,41.3819,-82.5142,-5