BUGFIX: no component characteristics allowed for passive_puf instrument

Examples/ebas_genfile.py

@@ -18,7 +18,6 @@ from nilutility.datatypes import DataObject
 from ebas.domain.time_period import estimate_period_code, \
     estimate_resolution_code, estimate_sample_duration_code
 import datetime
-from ebas.io.ebasmetadata import DatasetCharacteristicList
 
 __version__ = '1.00.00'
 
@@ -182,12 +181,6 @@ def set_variables(nas):
     metadata.unit = '%'
     # alternatively, you could set all metadata at once:
     #     metadata = DataObject(comp_name='HCB', unit = 'pg/m3')
-    # add component characteristics: E.g. a location for the humidity
-    # measurement:
-    metadata.characteristics = DatasetCharacteristicList()
-    metadata.characteristics.add_parse(
-        'Location', 'instrument internal', nas.metadata.instr_type,
-        metadata.comp_name)
     nas.variables.append(DataObject(values_=values, flags=flags, flagcol=True,
                                     metadata=metadata))
     # examples for missing values and flagging: