Get rid of Enum change as this has to match what the PV is expecting

Author: srishtysajeev

src/dodal/devices/scintillator.py

@@ -8,10 +8,10 @@
 
 
 class InOut(StrictEnum):
-    """Moves scintillator in and out of the beam"""
+    """Moves scintillator in and out of the beam."""
 
-    OUT = "Out_Beam"
-    IN = "In_Beam"
+    OUT = "Out"
+    IN = "In"
     UNKNOWN = "Unknown"