fix: 修复工具类冗余

Author: Yeaury

labs/arthas-mcp-server/src/main/java/com/taobao/arthas/mcp/server/tool/DefaultToolCallback.java

@@ -75,7 +75,7 @@ public String call(String toolInput, ToolContext toolContext) {
     }
 
     private void validateToolContextSupport(ToolContext toolContext) {
-        boolean isNonEmptyToolContextProvided = toolContext != null && !Utils.isCollectionEmpty(toolContext.getContext());
+        boolean isNonEmptyToolContextProvided = toolContext != null && !Utils.isEmpty(toolContext.getContext());
 
         boolean isToolContextAcceptedByMethod = Arrays.stream(this.toolMethod.getParameterTypes())
                 .anyMatch(type -> Utils.isAssignable(type, ToolContext.class));

labs/arthas-mcp-server/src/main/java/com/taobao/arthas/mcp/server/util/Utils.java

@@ -17,10 +17,6 @@ public static boolean isEmpty(Map<?, ?> map) {
 		return (map == null || map.isEmpty());
 	}
 
-	public static boolean isCollectionEmpty(Map<?, ?> map) {
-		return map == null || map.isEmpty();
-	}
-
 	public static boolean isAssignable(Class<?> targetType, Class<?> sourceType) {
 		if (targetType == null || sourceType == null) {
 			return false;