Remove SF20k option

Author: szarnyasg

src/main/resources/scale_factors.xml

@@ -229,25 +229,6 @@
         </property>
     </scale_factor>
 
-    <scale_factor name="20000" >
-        <property>
-            <name>generator.numPersons</name>
-            <value>57000000</value>
-        </property>
-        <property>
-            <name>generator.startYear</name>
-            <value>2010</value>
-        </property>
-        <property>
-            <name>generator.numYears</name>
-            <value>3</value>
-        </property>
-        <property>
-            <name>generator.degreeDistribution</name>
-            <value>Facebook</value>
-        </property>
-    </scale_factor>
-
     <scale_factor name="30000" >
         <property>
             <name>generator.numPersons</name>