[mielecloud] Remove e-mail parameter validation (#11073)

Signed-off-by: Björn Lange <bjoern.lange@tu-dortmund.de>

bundles/org.openhab.binding.mielecloud/src/main/resources/OH-INF/i18n/mielecloud.properties

@@ -245,7 +245,6 @@ channel-type.mielecloud.battery_level.description=The battery level of the robot
 mielecloud.bridge.status.access.token.not.configured=The OAuth2 access token is not configured.
 mielecloud.bridge.status.account.not.authorized=The account has not been authorized. Please consult the documentation on how to do that.
 mielecloud.bridge.status.access.token.refresh.failed=Failed to refresh the OAuth2 access token. Please authorize the account again.
-mielecloud.bridge.status.invalid.email=The configured e-mail address has an invalid format.
 mielecloud.bridge.status.transient.http.error=An unexpected HTTP error occurred. Check the logs if this error persists.
 mielecloud.thing.status.webservice.missing=The Miele webservice cannot be accessed over the bridge. Check the bridge configuration.
 mielecloud.thing.status.removed=This Miele device has been removed from the Miele@home account.

bundles/org.openhab.binding.mielecloud/src/main/resources/org/openhab/binding/mielecloud/internal/config/pairing.html

@@ -53,7 +53,7 @@
                         </div>
                         <div class="form-group">
                             <label for="email">E-mail address:</label>
-                            <input type="text" class="form-control" id="email" name="email" placeholder="Enter the e-mail address associated with your Miele Cloud Account" required pattern="[a-zA-Z_0-9.+%-]{3,}@([a-zA-Z_0-9-]+[.])+[a-z]+)" />
+                            <input type="text" class="form-control" id="email" name="email" placeholder="Enter the e-mail address associated with your Miele Cloud Account" required />
                         </div>
                         <button type="submit" class="btn btn-danger btn-lg">Pair Account</button>
                     </form>