Removed unnecessary synchronization lock from serverSwitch constructor

Lock was useless here as it was set on an object instance attribute
while the object itself is not yet constructed and no other threads can
access it.

source/net/yacy/server/serverSwitch.java

@@ -113,26 +113,24 @@ public serverSwitch(final File dataPath, final File appPath,
 
 		// remove all values from config that do not appear in init
 		this.configRemoved = new ConcurrentHashMap<String, String>();
-		synchronized (this.configProps) {
-			Iterator<String> i = this.configProps.keySet().iterator();
-			String key;
-			while (i.hasNext()) {
-				key = i.next();
-				if (!(initProps.containsKey(key))) {
-					this.configRemoved.put(key, this.configProps.get(key));
-					i.remove();
-				}
+		Iterator<String> i = this.configProps.keySet().iterator();
+		String key;
+		while (i.hasNext()) {
+			key = i.next();
+			if (!(initProps.containsKey(key))) {
+				this.configRemoved.put(key, this.configProps.get(key));
+				i.remove();
 			}
+		}
 
-			// merge new props from init to config
-			// this is necessary for migration, when new properties are attached
-			initProps.putAll(this.configProps);
-			this.configProps = initProps;
+		// merge new props from init to config
+		// this is necessary for migration, when new properties are attached
+		initProps.putAll(this.configProps);
+		this.configProps = initProps;
 
-			// save result; this may initially create a config file after
-			// initialization
-			saveConfig();
-		}
+		// save result; this may initially create a config file after
+		// initialization
+		saveConfig();
 
 		// init thread control
 		this.workerThreads = new TreeMap<String, BusyThread>();