Move WhitespaceControlParser logic so that JinjavaInterpreter isn't

directly required within Token class

Author: jasmith-hs

src/main/java/com/hubspot/jinjava/LegacyOverrides.java

@@ -82,7 +82,7 @@ default boolean isKeepNullableLoopValues() {
   class Builder extends ImmutableLegacyOverrides.Builder {}
 
   static Builder newBuilder() {
-    return new Builder();
+    return builder();
   }
 
   static Builder builder() {