SoF 7: no need for manual target calculation

move_unit does this by itself (in difference to move_unit_fake)
And it works as well if no surrounding hex is free.
[ci skip]

data/campaigns/Sceptre_of_Fire/scenarios/7_Outriding_the_Outriders.cfg

@@ -415,6 +415,7 @@
         [message]
             race=elf
             message= _ "You slow humans took too long, our real reinforcements are here!"
+            scroll=no
         [/message]
 
         [delay]
@@ -470,26 +471,12 @@
             [/modifications]
         [/unit]
 
-        [store_locations]
-            variable=next_to_alanin
-            include_borders=no
-            [not]
-                [filter]
-                [/filter]
-            [/not]
-            [and]
-                x=$alanin.x
-                y=$alanin.y
-                radius=1
-            [/and]
-        [/store_locations]
-
         [move_unit]
             id=ambusher
             x=$spawn_hexes[0].x
             y=$spawn_hexes[0].y
-            to_x=$next_to_alanin[0].x
-            to_y=$next_to_alanin[0].y
+            to_x=$alanin.x
+            to_y=$alanin.y
         [/move_unit]
 
         # to avoid scrolling between the killing animation and the [kill]
@@ -531,7 +518,7 @@
             id=Alanin
             animate=yes
         [/kill]
-        {CLEAR_VARIABLE alanin,next_to_alanin,spawn,spawn_hexes}
+        {CLEAR_VARIABLE alanin,spawn,spawn_hexes}
     [/event]
 
     [event]