Simplify outputBindings logic in FunctionConfiguration

- Removed redundant checks and method calls for outputBindings.
- Improved readability and reduced code complexity.

Author: lxq

core/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/function/FunctionConfiguration.java

@@ -904,9 +904,8 @@ private void createStandAloneBindingsIfNecessary(BindingServiceProperties bindin
 			String[] inputBindings = StringUtils.hasText(bindingProperties.getInputBindings())
 					? bindingProperties.getInputBindings().split(";") : new String[0];
 
-			String[] outputBindings = StringUtils.hasText(bindingProperties.getOutputBindings()) ? bindingProperties.getOutputBindings().split(";") : (
-					StringUtils.hasText(bindingProperties.getOutputBindings()) ? bindingProperties.getOutputBindings().split(";") : new String[0]
-					);
+			String[] outputBindings = StringUtils.hasText(bindingProperties.getOutputBindings())
+					? bindingProperties.getOutputBindings().split(";") : new String[0];
 
 			for (String inputBindingName : inputBindings) {
 				FunctionInvocationWrapper sourceFunc = functionCatalog.lookup(inputBindingName);