Remove unnused symbol

Author: mcruzdev

client/deployment/src/main/java/io/quarkiverse/openapi/generator/deployment/codegen/OpenApiGeneratorStreamCodeGen.java

@@ -60,7 +60,6 @@ public boolean trigger(CodeGenContext context) throws CodeGenException {
         boolean generated = false;
 
         boolean isRestEasyReactive = isRestEasyReactive(context);
-        boolean isHibernateValidatorPresent = isHibernateValidatorPresent(context);
 
         for (final OpenApiSpecInputProvider provider : this.providers) {
             for (SpecInputModel inputModel : provider.read(context)) {