remove some unused variables Eclipse warned about

Author: elharo

src/test/java/org/apache/commons/io/FileUtilsTest.java

@@ -1914,7 +1914,6 @@ public void testIterateFilesAndDirs() throws IOException {
             iterateFilesAndDirs(subDir1, fileFilterAllFiles, fileFilterAllDirs, expectedFilesAndDirs);
             //
             // "*.txt" and "*"
-            final int filesCount;
             expectedFilesAndDirs = Arrays.asList(subDir1, subDir2, someFile, subDir3, subDir4);
             iterateFilesAndDirs(subDir1, fileFilterExtTxt, fileFilterAllDirs, expectedFilesAndDirs);
             //

src/test/java/org/apache/commons/io/input/AbstractInputStreamTest.java

@@ -134,8 +134,7 @@ public void testReadOneByte() throws IOException {
     public void testReadPastEOF() throws IOException {
         final InputStream is = inputStreams[0];
         final byte[] buf = new byte[1024];
-        int read;
-        while ((read = is.read(buf, 0, buf.length)) != -1) {
+        while (is.read(buf, 0, buf.length) != -1) {
             // empty
         }
 

src/test/java/org/apache/commons/io/input/TeeReaderTest.java

@@ -66,7 +66,7 @@ public void testCloseBranchIOException() throws Exception {
         verify(goodR).close();
 
         final TeeReader closingTr = new TeeReader(goodR, badW, true);
-        final IOException e = assertThrows(IOException.class, closingTr::close);
+        assertThrows(IOException.class, closingTr::close);
         verify(goodR, times(2)).close();
     }