Merge pull request #37872 from mantidproject/Update-PG3StripPeaks

PG3StripPeaks to not use AlignDetectors algorithm

Author: sf1919

Testing/SystemTests/tests/framework/SNSPowderRedux.py

@@ -211,7 +211,9 @@ def runTest(self):
         CropWorkspace(InputWorkspace="PG3_4866", OutputWorkspace="PG3_4866", XMax=16666.669999999998)
         LoadCalFile(InputWorkspace="PG3_4866", CalFilename=self.cal_file, WorkspaceName="PG3")
         MaskDetectors(Workspace="PG3_4866", MaskedWorkspace="PG3_mask")
-        AlignDetectors(InputWorkspace="PG3_4866", OutputWorkspace="PG3_4866", OffsetsWorkspace="PG3_offsets")
+        ApplyDiffCal(InstrumentWorkspace="PG3_4866", OffsetsWorkspace="PG3_offsets")
+        ConvertUnits(InputWorkspace="PG3_4866", OutputWorkspace="PG3_4866", Target="dSpacing")
+        ApplyDiffCal(InstrumentWorkspace="PG3_4866", ClearCalibration=True)
         ConvertUnits(InputWorkspace="PG3_4866", OutputWorkspace="PG3_4866", Target="TOF")
         UnwrapSNS(InputWorkspace="PG3_4866", OutputWorkspace="PG3_4866", LRef=62)
         RemoveLowResTOF(InputWorkspace="PG3_4866", OutputWorkspace="PG3_4866", ReferenceDIFC=1500)