update etuff obs types - sstDateTime

can't we remove the sstDateTime obs type and just put this information in the actual time stamp for the value?

eTUFF-ObservationTypes.csv

@@ -59,7 +59,6 @@ xxxx,tempRes,aggregation,Celsius,,,Resolution of temperature measurements (e.g.
 1023,sstMedian,aggregation,Celsius,,,Median sea surface temperature in a series of measurements,
 1024,sstStDev,aggregation,Celsius,,,Standard deviation of sea surface temperature measurements,
 1025,sstDepth,Wildlife Computers,meter,,,"Depth, in meters, when the sea surface temperature was sampled. This value needs to be doubled for a 2000 meter instrument.",https://wildlifecomputers.com/wp-content/uploads/manuals/Spreadsheet-File-Descriptions.pdf
-1026,sstDateTime,Wildlife Computers,time,,,Time of day when the sea surface temperature was sampled,https://wildlifecomputers.com/wp-content/uploads/manuals/Spreadsheet-File-Descriptions.pdf
 101,PdtDepth01,Wildlife Computers,meter,,,"For Wildlife Computers tags, profile-depth-temperature (PDT) output in PDTs.csv",https://wildlifecomputers.com/wp-content/uploads/manuals/Spreadsheet-File-Descriptions.pdf
 102,PdtTempMin01,Wildlife Computers,Celsius,,,"For Wildlife Computers tags, profile-depth-temperature (PDT) output in PDTs.csv",https://wildlifecomputers.com/wp-content/uploads/manuals/Spreadsheet-File-Descriptions.pdf
 103,PdtTempMax01,Wildlife Computers,Celsius,,,"For Wildlife Computers tags, profile-depth-temperature (PDT) output in PDTs.csv",https://wildlifecomputers.com/wp-content/uploads/manuals/Spreadsheet-File-Descriptions.pdf