get rid of badger everywhere, including as an sdk/hints backend.

sdk/hints/test/badger_test.go

@@ -1,21 +0,0 @@
-package test
-
-import (
-	"os"
-	"testing"
-
-	"fiatjaf.com/nostr/sdk/hints/badgerh"
-)
-
-func TestBadgerHints(t *testing.T) {
-	path := "/tmp/tmpsdkhintsbadger"
-	os.RemoveAll(path)
-
-	hdb, err := badgerh.NewBadgerHints(path)
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer hdb.Close()
-
-	runTestWith(t, hdb)
-}

sdk/hints/test/bbolt_test.go

@@ -0,0 +1,21 @@
+package test
+
+import (
+	"os"
+	"testing"
+
+	"fiatjaf.com/nostr/sdk/hints/bbolth"
+)
+
+func TestBoltHints(t *testing.T) {
+	path := "/tmp/tmpsdkhintsbbolt"
+	os.RemoveAll(path)
+
+	hdb, err := bbolth.NewBoltHints(path)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer hdb.Close()
+
+	runTestWith(t, hdb)
+}