Don't show static fields by default (#263)

Signed-off-by: Jinbo Wang <jinbwan@microsoft.com>

Author: testforstephen

com.microsoft.java.debug.core/src/main/java/com/microsoft/java/debug/core/DebugSettings.java

@@ -21,7 +21,7 @@ public final class DebugSettings {
     private static DebugSettings current = new DebugSettings();
 
     public int maxStringLength = 0;
-    public boolean showStaticVariables = true;
+    public boolean showStaticVariables = false;
     public boolean showQualifiedNames = false;
     public boolean showHex = false;
     public boolean enableHotCodeReplace = false;