Revert "Fix Test"

This reverts commit 60c0815.

Author: Caideyipi

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/utils/BitMapUtils.java

@@ -34,7 +34,8 @@ public static BitMap[] compactBitMaps(final BitMap[] bitMaps, final int rowCount
 
     boolean hasMarkedBitMap = false;
     for (int i = 0; i < bitMaps.length; ++i) {
-      if (Objects.nonNull(bitMaps[i]) && isAllUnmarked(bitMaps[i], rowCount)) {
+      if (Objects.nonNull(bitMaps[i])
+          && bitMaps[i].isAllUnmarked(Math.min(rowCount, bitMaps[i].getSize()))) {
         bitMaps[i] = null;
       }
       if (Objects.nonNull(bitMaps[i])) {
@@ -43,23 +44,4 @@ public static BitMap[] compactBitMaps(final BitMap[] bitMaps, final int rowCount
     }
     return hasMarkedBitMap ? bitMaps : null;
   }
-
-  private static boolean isAllUnmarked(final BitMap bitMap, final int rowCount) {
-    final int checkedSize = Math.min(rowCount, bitMap.getSize());
-    if (checkedSize <= 0) {
-      return true;
-    }
-
-    final byte[] bytes = bitMap.getByteArray();
-    final int fullByteCount = checkedSize / Byte.SIZE;
-    for (int i = 0; i < fullByteCount; ++i) {
-      if (bytes[i] != 0) {
-        return false;
-      }
-    }
-
-    final int remainingBitCount = checkedSize % Byte.SIZE;
-    return remainingBitCount == 0
-        || (bytes[fullByteCount] & (0xFF << (Byte.SIZE - remainingBitCount))) == 0;
-  }
 }