Allow tags to be removed with the keyboard

We improved accessibility by overwriting the setIcon method in the library.
Now we render a button and add the aria-label attribute.

config/locales/en/sdg.yml

@@ -438,3 +438,4 @@ en:
         title: "Which SDGs and targets are aligned with my %{record}?"
       hint: "You can introduce the code of a specific goal/target or a text to find one"
       placeholder: "Write a goal or target code or description"
+      remove_tag: "Remove"

config/locales/es/sdg.yml

@@ -438,3 +438,4 @@ es:
         title: "¿Qué ODS y metas se alinean con mi %{record}?"
       hint: "Puedes introducir el código de un objetivo/meta específico o un texto para encontrar uno"  
       placeholder: "Escribe las etiquetas que desees"
+      remove_tag: "Eliminar"