set default 'ignore mapping' option for java generators with 'false' value

Author: HugoMario

src/main/java/io/swagger/codegen/v3/generators/java/AbstractJavaCodegen.java

@@ -1052,7 +1052,7 @@ protected void fixUpParentAndInterfaces(CodegenModel codegenModel, Map<String, C
 
         for (CodegenProperty codegenProperty : codegenModel.vars) {
             CodegenModel parentModel = codegenModel.parentModel;
-            
+
             while (parentModel != null) {
                 if (parentModel.vars == null || parentModel.vars.isEmpty()) {
                     parentModel = parentModel.parentModel;
@@ -1677,11 +1677,6 @@ public void setLanguageArguments(List<CodegenArgument> languageArguments) {
         super.setLanguageArguments(languageArguments);
     }
 
-    @Override
-    public boolean defaultIgnoreImportMappingOption() {
-        return true;
-    }
-
     @Override
     public boolean checkAliasModel() {
         return true;