Remove unused Ptolemaic Juggernaut prop template

This is an oversight from 415304db8a and #6660.

This forgotten template cropped up in #7525. It does not contain the
needed components to interact correctly with the player.

(cherry picked from commit 95fb0f9ed0)
Signed-off-by: Itms <itms@wildfiregames.com>

binaries/data/mods/public/simulation/templates/units/ptol/siege_juggernaut.xml

@@ -1,27 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Entity parent="units/ptol/siege_lithobolos_packed">
-  <Cost disable=""/>
-  <Footprint disable=""/>
-  <Garrisonable disable=""/>
-  <Guard disable=""/>
-  <Health disable=""/>
-  <Identity>
-    <Icon>units/hele/siege_lithobolos.png</Icon>
-    <Formations disable=""/>
-    <Undeletable>true</Undeletable>
-  </Identity>
-  <Loot disable=""/>
-  <Minimap disable=""/>
-  <Obstruction disable=""/>
-  <Pack disable=""/>
-  <Repairable disable=""/>
-  <Resistance disable=""/>
-  <StatusBars disable=""/>
-  <StatusEffectsReceiver disable=""/>
-  <TreasureCollecter disable=""/>
-  <Turretable/>
-  <UnitMotion disable=""/>
-  <VisualActor>
-    <Actor>units/ptolemies/siege_lithobolos_med.xml</Actor>
-  </VisualActor>
-</Entity>