delete unused methods, fix one URL screwed up in rebase

projects/BFDR/NatalityRecord_submissionProperties.cs

@@ -230,7 +230,7 @@ protected string GetBirthTime()
                 }
             }
             // If it's not there, check for a PartialDateTime.
-            return this.GetPartialTime(this.Subject.BirthDateElement.GetExtension(VR.ExtensionURL.PartialDateTimeVR));
+            return this.GetPartialTime(this.Subject.BirthDateElement.GetExtension(VR.ExtensionURL.PartialDateTime));
         }
 
         /// <summary>

projects/VitalRecord/VitalRecord_util.cs

@@ -898,13 +898,6 @@ protected static FhirDateTime ConvertDateToFhirDateTime(Date date)
             return dt;
         }
 
-         /// <summary>Returns a Date object parsed from the given FhirDateTime.</summary>
-        protected static Date ConvertFhirDateTimeToDate(FhirDateTime dateTime)
-        {
-            Date newDate = ConvertToDate(dateTime?.Value) ?? new Date();
-            newDate.Extension = dateTime?.Extension;
-            return newDate;
-        }
 
         /// <summary>Gets the specified date element based on the ExtensionURL.PartialDate from the given
         /// FhirDate, checking in the value and PartialDate extension, and assuming there
@@ -1313,13 +1306,6 @@ private static Extension BuildUnknownPartialDateTime(string partialDateURL)
             return GetPartialDate(extension, partURL);
         }
 
-        /// <summary>Convert a time stamp to a datetime stamp using the earliest allowed date.</summary>
-        protected FhirDateTime ConvertFhirTimeToFhirDateTime(Time value)
-        {
-            return new FhirDateTime(DateTimeOffset.MinValue.Year, DateTimeOffset.MinValue.Month, DateTimeOffset.MinValue.Day,
-                FhirTimeHour(value), FhirTimeMin(value), FhirTimeSec(value), TimeSpan.Zero);
-        }
-
         /// <summary>Extract the hour.</summary>
         protected int FhirTimeHour(Time value)
         {