modified mlb.com as passwords are not allowed to have any special characters (apple#691)

Author: hanniavalera

quirks/password-rules.json

@@ -504,7 +504,7 @@
         "password-rules": "minlength: 8; maxlength: 20; required: lower; required: upper; required: digit; required: special; allowed: [!#$%&()*+:;=@[^_`{}~]];"
     },
     "mlb.com": {
-        "password-rules": "minlength: 8; maxlength: 15; required: lower; required: upper; required: digit; allowed: [!\"#$%&'()*+,./:;<=>?[\\^_`{|}~]];"
+        "password-rules": "minlength: 8; maxlength: 15; required: lower; required: upper; required: digit;"
     },
     "mpv.tickets.com": {
         "password-rules": "minlength: 8; maxlength: 15; required: lower; required: upper; required: digit;"