ASTERIXDB-1679: fix the function doc.

Change-Id: I19223af41a552a321e25e4ff3927b094d59a904e
Reviewed-on: https://asterix-gerrit.ics.uci.edu/1256
Sonar-Qube: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Till Westmann <tillw@apache.org>
diff --git a/asterixdb/asterix-doc/src/main/markdown/builtins/7_temporal.md b/asterixdb/asterix-doc/src/main/markdown/builtins/7_temporal.md
index df47037..cee47ba 100644
--- a/asterixdb/asterix-doc/src/main/markdown/builtins/7_temporal.md
+++ b/asterixdb/asterix-doc/src/main/markdown/builtins/7_temporal.md
@@ -663,9 +663,6 @@
           "overlap6": null
         }
 
-
-### interval_before/interval_after/interval_meets/interval_met_by/interval_overlaps/interval_overlapped_by/interval_overlapping/interval_starts/interval_started_by/interval_covers/interval_covered_by/interval_ends/interval_ended_by ###
-
 ### interval_bin ###
  * Syntax: