Remove redundant labels

We already had translations for these attributes.

app/views/admin/dashboard/actions/_form.html.erb

@@ -13,7 +13,7 @@
   </div>
 
   <div class="small-12 column margin-top">
-    <%= f.check_box :active, label: ::Dashboard::Action.human_attribute_name(:active) %>
+    <%= f.check_box :active %>
   </div>
 
   <div id="request_to_administrators"

app/views/admin/site_customization/documents/new.html.erb

@@ -2,7 +2,7 @@
 
 <%= form_for @document,
              url: admin_site_customization_documents_path do |f| %>
-  <%= f.file_field "attachment", label: t("admin.documents.new.label_attachment") %>
+  <%= f.file_field :attachment %>
 
   <div class="margin-top">
     <%= f.submit t("admin.documents.new.submit_button"), class: "button success" %>

app/views/tracking/milestones/_form.html.erb

@@ -29,7 +29,6 @@
     <div class="column">
       <%= f.text_field :publication_date,
                        value: @milestone.publication_date.present? ? l(@milestone.publication_date.to_date) : nil,
-                       label: t("tracking.milestones.new.date"),
                        class: "js-calendar-full" %>
 
       <%= render "images/admin_image", imageable: @milestone, f: f %>

config/locales/en/activerecord.yml

@@ -168,7 +168,7 @@ en:
         status_id: "Current status (optional)"
         title: "Title"
         description: "Description (optional if there's an status assigned)"
-        publication_date: "Publication date"
+        publication_date: "Date"
       milestone/status:
         name: "Name"
         description: "Description (optional)"

config/locales/en/admin.yml

@@ -450,7 +450,6 @@ en:
     documents:
       new:
         title: "Upload a document"
-        label_attachment: "Choose document"
         submit_button: "Upload"
       index:
         new_link: "Add new document"

config/locales/en/tracking.yml

@@ -53,7 +53,6 @@ en:
         no_statuses_defined: There are no defined statuses yet
       new:
         creating: Create milestone
-        date: Date
         description: Description
       edit:
         title: Edit milestone

config/locales/es/activerecord.yml

@@ -170,7 +170,7 @@ es:
         status_id: "Estado actual (opcional)"
         title: "Título"
         description: "Descripción (opcional si hay un estado asignado)"
-        publication_date: "Fecha de publicación"
+        publication_date: "Fecha"
       milestone/status:
         name: "Nombre"
         description: "Descripción (opcional)"

config/locales/es/admin.yml

@@ -452,7 +452,6 @@ es:
     documents:
       new:
         title: "Subir un documento"
-        label_attachment: "Selecciona un documento"
         submit_button: "Subir documento"
       index:
         new_link: "Subir un documento"

config/locales/es/tracking.yml

@@ -53,7 +53,6 @@ es:
         no_statuses_defined: No hay estados definidos
       new:
         creating: Crear hito
-        date: Fecha
         description: Descripción
       edit:
         title: Editar hito