Don't show recipes for similarly name items

On item detail pages for items where multiple mods add an item of the
same name, recipes for both items would incorrectly be displayed.

scripts/deploy

@@ -21,6 +21,7 @@ fi
 if [[ "$TARGET" == "new" ]]; then
     find "$ROOT" -name ".DS_Store" | xargs rm
     grunt clean dist
+    echo "Preparing to upload to S3..."
     s3cmd sync -r --delete-removed --add-header="cache-control:max-age=1800" "$ROOT/" "s3://new.$SITE/"
     grunt clean build
 elif [[ "$TARGET" == "promote" ]]; then

src/coffee/models/recipe.coffee

@@ -118,7 +118,6 @@ module.exports = class Recipe extends BaseModel
             for stack in @output
                 actuallyProduces = not @isPassThroughFor stack.itemSlug
                 @_produces[stack.itemSlug.qualified] = actuallyProduces
-                @_produces[stack.itemSlug.item] = actuallyProduces
 
         return @_produces[itemSlug.qualified] or @_produces[itemSlug.item]