Revert "add date for each feed entry's link, to match gemlog specs."

This reverts commit e68b88405f.

Reverting because it creates huge amounts of visual clutter and redundancy for
actual readers, as there are many entries per day (unlike a normal single
gemlog) with a header separating each day.

core/entries.go

@@ -142,16 +142,15 @@ func (d *FullData) WriteFeed(dataPath string) error {
 		for _, entry := range pe.Entries {
 			// get just the date it was published
 			pub := toLocalDay(entry.Published)
-			formattedPubDay := entry.Published.Format("2006-01-02")
 			if pub.Before(curDay) {
 				curDay = pub
-				rawPage += fmt.Sprintf("\n\n## %s\n\n", formattedPubDay)
+				rawPage += fmt.Sprintf("\n\n## %s\n\n", curDay.Format("2006-01-02"))
 			}
 
 			if entry.Title == "" {
-				rawPage += fmt.Sprintf("=> %s %s %s\n", entry.URL, formattedPubDay, entry.Prefix)
+				rawPage += fmt.Sprintf("=> %s %s\n", entry.URL, entry.Prefix)
 			} else {
-				rawPage += fmt.Sprintf("=> %s %s %s — %s\n", entry.URL, formattedPubDay, entry.Prefix, entry.Title)
+				rawPage += fmt.Sprintf("=> %s %s — %s\n", entry.URL, entry.Prefix, entry.Title)
 			}
 		}
 	}