German balance emergency changes

-Seeresses "Soldier" class removed as they are support units.
-Seeresses given correct vision value.
-Seeresses are unaffected by healer discount.
-germans no longer access archery spread tech since they have no archers.

(cherry picked from commit 87ed9c8092)
Signed-off-by: phosit <phosit@autistici.org>

binaries/data/mods/public/simulation/data/technologies/archer_attack_spread.json

@@ -10,6 +10,7 @@
 			{ "tech": "phase_town" },
 			{ "notciv": "brit" },
 			{ "notciv": "gaul" },
+			{ "notciv": "germ" },
 			{ "notciv": "iber" },
 			{ "notciv": "rome" },
 			{ "notciv": "spart" }

binaries/data/mods/public/simulation/data/technologies/cost_healer.json

@@ -15,6 +15,6 @@
 		{ "value": "Cost/Resources/metal", "replace": 0 },
 		{ "value": "Loot/metal", "replace": 0 }
 	],
-	"affects": ["Healer"],
+	"affects": ["Healer !Champion !Hero"],
 	"soundComplete": "interface/alarm/alarm_upgradearmory.xml"
 }

binaries/data/mods/public/simulation/templates/template_unit_champion_support_healer.xml

@@ -25,7 +25,7 @@
   </Health>
   <Identity>
     <GenericName>Champion Healer</GenericName>
-	<VisibleClasses datatype="tokens">Healer</VisibleClasses>
+	<VisibleClasses datatype="tokens">Healer -Soldier</VisibleClasses>
     <Requirements>
       <Techs datatype="tokens">phase_city</Techs>
     </Requirements>
@@ -45,10 +45,13 @@
   <Resistance>
     <Entity>
       <Damage>
-        <Hack>3</Hack>
-        <Pierce>3</Pierce>
+        <Hack>2</Hack>
+        <Pierce>4</Pierce>
         <Crush>20</Crush>
       </Damage>
     </Entity>
   </Resistance>
-</Entity>
+  <Vision>
+    <Range>60</Range>
+  </Vision>
+</Entity>