Switch from "trigram" to "porter unicode61" tokenizer

The trigram tokenizer seems to give better results, but is not
available on the SQLite version that ships with Ubuntu 20.04.

hc/front/management/commands/populate_searchdb.py

@@ -15,7 +15,7 @@ class Command(BaseCommand):
         cur = con.cursor()
         cur.execute("DROP TABLE IF EXISTS docs")
         cur.execute(
-            """CREATE VIRTUAL TABLE docs USING FTS5(slug, title, body, tokenize="trigram")"""
+            """CREATE VIRTUAL TABLE docs USING FTS5(slug, title, body, tokenize="porter unicode61")"""
         )
 
         docs_path = os.path.join(settings.BASE_DIR, "templates/docs")

static/js/search.js

@@ -24,8 +24,4 @@ $(function() {
             }
         });
     });
-
-    // input.on("blur", function() {
-    //     $("#search-results").removeClass("on");
-    // });
 });