De-generics-ize Post, PostText.

Hibernate 6 did not like the old scheme.

Change-Id: I060e077648ab54589d5b7574137c10517b4c4114
diff --git a/src/main/resources/templates/PostResource/postList.html b/src/main/resources/templates/PostResource/postList.html
index 89267a2..434c22a 100644
--- a/src/main/resources/templates/PostResource/postList.html
+++ b/src/main/resources/templates/PostResource/postList.html
@@ -1,4 +1,4 @@
-{@java.util.List<eu.mulk.mulkcms2.benki.posts.Post$Day<eu.mulk.mulkcms2.benki.posts.Post<?>>> postDays}
+{@java.util.List<eu.mulk.mulkcms2.benki.posts.Post$Day<eu.mulk.mulkcms2.benki.posts.Post>> postDays}
 {@java.lang.String feedUri}
 {@java.lang.String pageTitle}
 {@boolean showBookmarkForm}