[fix] generics error

easyexcel-core/src/main/java/com/alibaba/excel/EasyExcelFactory.java

@@ -251,7 +251,7 @@ public class EasyExcelFactory {
 
     public static <T> Stream<T> read(String pathName, Class<T> head) {
         Consumer<Consumer<T>> sequence = c -> {
-            ReadListener<T> listener = new ReadListener<>() {
+            ReadListener<T> listener = new ReadListener<T>() {
                 @Override
                 public void invoke(T data, AnalysisContext context) {
                     c.accept(data);

easyexcel-core/src/main/java/com/alibaba/excel/StreamBuilder.java

@@ -13,7 +13,7 @@ import java.util.stream.StreamSupport;
  */
 public class StreamBuilder {
     public static <T> Stream<T> stream(Consumer<Consumer<T>> sequence) {
-        Iterator<T> iterator = new Iterator<>() {
+        Iterator<T> iterator = new Iterator<T>() {
             @Override
             public boolean hasNext() {
                 throw new NoSuchElementException();