do not log exceptions that we are handling by rebuilding indices (the exception will be logged anyway) (EA-68516)

platform/lang-impl/src/com/intellij/util/indexing/FileBasedIndexImpl.java

@@ -1748,7 +1748,6 @@ public class FileBasedIndexImpl extends FileBasedIndex {
     } catch (RuntimeException exception) {
       Throwable causeToRebuildIndex = getCauseToRebuildIndex(exception);
       if (causeToRebuildIndex != null && (updateCalculated || causeToRebuildIndex instanceof IOException)) {
-        LOG.error("Exception in update single index:" + exception);
         requestRebuild(indexId, exception);
         return;
       }