chore: remove board name format check

This check might be reintroduced in the default permissioner
implementation.

examples/gno.land/r/demo/boards2/board.gno

@@ -1,7 +1,6 @@
 package boards
 
 import (
-	"regexp"
 	"std"
 	"strconv"
 	"strings"
@@ -11,8 +10,6 @@ import (
 	"gno.land/p/moul/txlink"
 )
 
-var reBoardName = regexp.MustCompile(`^[a-z]{3}[_a-z0-9]{0,23}[0-9]{3}$`)
-
 type BoardID uint64
 
 func (id BoardID) String() string {
@@ -34,8 +31,6 @@ type Board struct {
 }
 
 func newBoard(id BoardID, name string, creator std.Address) *Board {
-	assertIsBoardName(name)
-
 	if gBoardsByName.Has(name) {
 		panic("board already exists")
 	}
@@ -121,9 +116,3 @@ func (board *Board) GetURLFromReplyID(threadID, replyID PostID) string {
 func (board *Board) GetPostFormURL() string {
 	return txlink.URL("CreateThread", "bid", board.id.String())
 }
-
-func assertIsBoardName(name string) {
-	if !reBoardName.MatchString(name) {
-		panic("invalid board name: " + name)
-	}
-}

examples/gno.land/r/demo/boards2/public.gno

@@ -2,6 +2,7 @@ package boards
 
 import (
 	"std"
+	"strings"
 
 	"gno.land/r/demo/users"
 )
@@ -17,6 +18,11 @@ func GetBoardIDFromName(name string) (BoardID, bool) {
 func CreateBoard(name string) BoardID {
 	assertIsUserCall()
 
+	name = strings.TrimSpace(name)
+	if name == "" {
+		panic("board name is empty")
+	}
+
 	caller := std.GetOrigCaller()
 	assertIsNotAnonymousCaller(caller)