Update variable_reference.py

Author: MostafaGomaa93

PyStemmusScope/bmi/variable_reference.py

@@ -159,32 +159,5 @@ class BmiVariable:
         units="cm",
         grid=0,
         keys=["GroundwaterSettings", "topLevel"],
-    ),
-    BmiVariable(
-        name="groundwater_depth",
-        dtype="float64",
-        input=True,
-        output=False,
-        units="cm",
-        grid=0,
-        keys=["GroundwaterSettings", "gw_Dep"],
-    ),
-    BmiVariable(
-        name="groundwater_index_bottom_layer",
-        dtype="int64",
-        input=False,
-        output=True,
-        units="-",
-        grid=0,
-        keys=["GroundwaterSettings", "indxBotmLayer"],
-    ),
-    BmiVariable(
-        name="groundwater_index_bottom_layer_reversed",
-        dtype="int64",
-        input=False,
-        output=True,
-        units="-",
-        grid=0,
-        keys=["GroundwaterSettings", "indxBotmLayer_R"],
-    ),            
+    ),           
 )