Update HarmonizationTemplate.csv

- remove duplicate orthophosphate
- note: first time I tried this, it didn't seem to register with GitHub, so reverted and tried again.

inst/extdata/HarmonizationTemplate.csv

@@ -126,7 +126,6 @@ WATER,ORTHOPHOSPHATE,NA,NA,DISSOLVED,FILTERED,Assumes DISSOLVED and TOTAL SOLUBL
 WATER,ORTHOPHOSPHATE,NA,NA,DISSOLVED,FILTERED,Assumes DISSOLVED and TOTAL SOLUBLE are equivalent to FILTERED. FILTERED is precise and preferred.,AS P,NA,NA,NA,UG/L,NA,NA,TP,2
 WATER,ORTHOPHOSPHATE,NA,NA,NA,NA,NA,AS P,NA,NA,NA,UG/L,NA,NA,TP,2
 WATER,ORTHOPHOSPHATE,NA,NA,DISSOLVED,FILTERED,Assumes DISSOLVED and TOTAL SOLUBLE are equivalent to FILTERED. FILTERED is precise and preferred.,AS PO4,AS P,Converts speciation and result values from AS PO4 to AS P,0.326,UG/L,NA,NA,TP,2
-WATER,ORTHOPHOSPHATE,NA,NA,DISSOLVED,FILTERED,Assumes DISSOLVED and TOTAL SOLUBLE are equivalent to FILTERED. FILTERED is precise and preferred.,NA,NA,NA,NA,UG/L,NA,NA,TP,2
 WATER,ORTHOPHOSPHATE,NA,NA,TOTAL,NA,NA,AS PO4,AS P,Converts speciation and result values from AS PO4 to AS P,0.326,UG/L,NA,NA,TP,2
 WATER,ORTHOPHOSPHATE,NA,NA,TOTAL,NA,NA,NA,AS P,Assumed AS P,NA,UG/L,NA,NA,TP,2
 WATER,PARTICULATE ORGANIC NITROGEN AND PARTICULATE NITROGEN,"TOTAL NITROGEN, MIXED FORMS","Assumes PARTICULATE ORGANIC NITROGEN AND PARTICULATE NITROGEN is synonymous with TOTAL NITROGEN, MIXED FORMS with sample fraction NON-FILTERABLE (PARTICLE).",NONE,NON-FILTERABLE (PARTICLE),"Assumes PARTICULATE ORGANIC NITROGEN AND PARTICULATE NITROGEN is synonymous with TOTAL NITROGEN, MIXED FORMS with sample fraction NON-FILTERABLE (PARTICLE).",NA,AS N,Assumed AS N,NA,UG/L,MG/L,0.001,TN,2