Fix failure of "Add connection" introduced by influxdb change (apache…

…#40469)

The apache#40439 introduced new attributes for influxdb widgets, with
the InputRequired validator, which should not be used on connection
fields, because the fields are all present in the form for all
connection types, and they are just "hidden" dynamically per
connection type. This PR removes InputRequired validation for those

airflow/providers/influxdb/hooks/influxdb.py

@@ -68,17 +68,13 @@ def get_connection_form_widgets(cls) -> dict[str, Any]:
         from flask_appbuilder.fieldwidgets import BS3TextFieldWidget
         from flask_babel import lazy_gettext
         from wtforms import StringField
-        from wtforms.validators import InputRequired
 
         return {
-            "token": StringField(
-                lazy_gettext("Token"), widget=BS3TextFieldWidget(), default="", validators=[InputRequired()]
-            ),
+            "token": StringField(lazy_gettext("Token"), widget=BS3TextFieldWidget(), default=""),
             "org": StringField(
                 lazy_gettext("Organization Name"),
                 widget=BS3TextFieldWidget(),
                 default="",
-                validators=[InputRequired()],
             ),
         }