Refs #30885 remove instrument getter and setter from IPeak

...ework/Crystal/inc/MantidCrystal/IntegratePeakTimeSlices.h

Framework/Crystal/inc/MantidCrystal/PeakHKLErrors.h

Framework/Crystal/src/IntegratePeakTimeSlices.cpp

Framework/Crystal/src/PeakHKLErrors.cpp

...ework/DataObjects/inc/MantidDataObjects/LeanElasticPeak.h

Framework/DataObjects/inc/MantidDataObjects/Peak.h

Framework/DataObjects/src/LeanElasticPeak.cpp

Framework/DataObjects/src/Peak.cpp

Framework/DataObjects/test/LeanElasticPeakTest.h

Framework/Geometry/inc/MantidGeometry/Crystal/IPeak.h

Framework/Geometry/test/MockObjects.h

qt/widgets/instrumentview/CMakeLists.txt

.../MantidQtWidgets/InstrumentView/InstrumentWidgetPickTab.h

qt/widgets/instrumentview/src/InstrumentWidgetPickTab.cpp