Unnecessary semicolon

Author: garydgregory

src/main/java/org/apache/commons/io/input/Tailer.java

@@ -231,7 +231,7 @@ public Builder setDelayDuration(final Duration delayDuration) {
          * @return this
          */
         public Builder setExecutorService(final ExecutorService executorService) {
-            this.executorService = Objects.requireNonNull(executorService, "executorService");;
+            this.executorService = Objects.requireNonNull(executorService, "executorService");
             return this;
         }