Remove duplicate previousPublishDate (#83)

afs · web-flow · commit 81781e851d54 · 2023-05-27T09:05:22.000+01:00
diff --git a/spec/index.html b/spec/index.html
@@ -28,7 +28,6 @@
         previousPublishDate:  "2013-03-21",
         prevRecURI:           "https://www.w3.org/TR/2013/REC-sparql11-query-20130321",
         prevRecShortname:     "sparql11-query",
-        previousPublishDate:  "2013-03-21",
         previousMaturity:     "REC",
         
          editors: [
