Merge master

Author: jpfinne

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/SpringCodegen.java

@@ -845,15 +845,10 @@ public void preprocessOpenAPI(OpenAPI openAPI) {
 
     @Override
     public OperationsMap postProcessOperationsWithModels(OperationsMap objs, List<ModelMap> allModels) {
-        if (isSpringCodegen()) {
-            Map<String, String> newImport = Map.of("import", importMapping.get("Nullable"));
-            objs.getImports().add(newImport);
-        }
         final OperationMap operations = objs.getOperations();
         if (operations != null) {
             final List<CodegenOperation> ops = operations.getOperation();
             for (final CodegenOperation operation : ops) {
-
                 final List<CodegenResponse> responses = operation.responses;
                 if (responses != null) {
                     for (final CodegenResponse resp : responses) {
@@ -899,7 +894,6 @@ public void setIsVoid(boolean isVoid) {
 
                 prepareVersioningParameters(ops);
                 handleImplicitHeaders(operation);
-
             }
             // The tag for the controller is the first tag of the first operation
             final CodegenOperation firstOperation = ops.get(0);