temporal modules: Correct option description

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@65965 15284696-431f-4ddb-bdfa-cd5b030d7da7

temporal/t.rast.what/t.rast.what.py

@@ -31,7 +31,7 @@
 
 #%option G_OPT_M_COORDS
 #% required: no
-#% description: Comma separated list of coordinates or "-" in case stdin should be used
+#% description: Comma separated list of coordinates
 #%end
 
 #%option G_OPT_STRDS_INPUT