BugFix: Fix FE meta compatibility issue (StarRocks#30418)

This pr(StarRocks#26246) add new property `maxColumnUniqueId` in `OlapTable` and we change the log serialize/deserialize format to json in latest branch, so we don't need to serialize/deserialize by manual.

Signed-off-by: zhangqiang <qiangzh95@gmail.com>

fe/fe-core/src/main/java/com/starrocks/catalog/OlapTable.java

@@ -1682,7 +1682,6 @@ public void write(DataOutput out) throws IOException {
             tableProperty.write(out);
         }
         tempPartitions.write(out);
-        out.writeInt(maxColUniqueId);
     }
 
     @Override
@@ -1783,7 +1782,6 @@ public void readFields(DataInput in) throws IOException {
         }
         tempPartitions.unsetPartitionInfo();
 
-        maxColUniqueId = in.readInt();
         // In the present, the fullSchema could be rebuilt by schema change while the
         // properties is changed by MV.
         // After that, some properties of fullSchema and nameToColumn may be not same as