send: fix send view because no one accounted for paypro when adding this input.

views/send.html

@@ -89,7 +89,6 @@
               <label for="alternative"><span translate>Amount in</span> {{ alternativeName }} </label>
               <div class="small-9 columns">
                 <input type="number" id="alternative_amount"
-                ng-disabled="loading || !isRateAvailable "
                 name="alternative" placeholder="{{'Amount'|translate}}" ng-model="alternative"
                 required
                 autocomplete="off"