remove the CREATE_UNIT macro now that it's nowhere used anymore

data/core/macros/utils.cfg

@@ -193,33 +193,6 @@
     [/unit]
 #enddef
 
-#define CREATE_UNIT SIDE TYPE X Y UNIT_ID OTHER
-    # Creates a unit of TYPE belonging to SIDE at X,Y. UNIT_ID can be used
-    # when filtering on it.  For example, let's create a wose for player 1
-    # at 4,7
-    #
-    #! {CREATE_UNIT 1 "Wose" 4 7 () ()}
-    #
-    # As a second example, let's make it a female wose which can recruit and
-    # is name "Woselina":
-    #
-    #! {CREATE_UNIT 1 "Wose" 4 7 "Woselina" (
-    # 	canrecruit=1
-    # )}
-    [unit]
-        side={SIDE}
-        type={TYPE}
-        x={X}
-        y={Y}
-        description={UNIT_ID}
-        user_description=" "
-
-        upkeep=full
-        animate=yes
-        {OTHER}
-    [/unit]
-#enddef
-
 #define MOVE_UNIT FILTER TO_X TO_Y
     # Moves a unit from its current location to the given location along a
     # relatively straight line displaying the movement just like [move_unit_fake]