Fix ingredients for simplyrecipes.com scraper

Update the CSS class for ingredients. While here, also update the
formatting of instructions such that colon isn't repeated twice.
Refetch the test HTML file for verification.

Test: python -m coverage run -m unittest tests.test_simplyrecipes

recipe_scrapers/simplyrecipes.py

@@ -28,7 +28,7 @@ def yields(self):
         )
 
     def ingredients(self):
-        ingredients = self.soup.find("ul", {"class": "ingredient-list"}).findAll("li")
+        ingredients = self.soup.find("ul", {"class": "structured-ingredients__list"}).findAll("li")
 
         return [normalize_string(ingredient.get_text()) for ingredient in ingredients]
 
@@ -40,7 +40,7 @@ def instructions(self):
         return "\n".join(
             [
                 normalize_string(
-                    step.div.text + ": " + "".join([p.text for p in step.findAll("p")])
+                    step.div.text + "".join([p.text for p in step.findAll("p")])
                 )
                 for step in steps
             ]