GH-1148 Configure our own ObjectMapper

spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/config/ContextFunctionCatalogAutoConfiguration.java

@@ -214,13 +214,7 @@ private JsonMapper gson(ApplicationContext context) {
 		}
 
 		private JsonMapper jackson(ApplicationContext context) {
-			ObjectMapper mapper;
-			try {
-				mapper = context.getBean(ObjectMapper.class);
-			}
-			catch (Exception e) {
-				mapper = new ObjectMapper();
-			}
+			ObjectMapper mapper = new ObjectMapper();
 			mapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
 			mapper.configure(DeserializationFeature.FAIL_ON_TRAILING_TOKENS, true);
 			return new JacksonMapper(mapper);