deleted unused import in RecipeSearch

src/main/java/mi/hdm/recipes/RecipeSearch.java

 package mi.hdm.recipes;
 
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.List;
 
 public class RecipeSearch {
@@ -12,7 +11,7 @@ public class RecipeSearch {
     }
 
     /** A method to search a list of recipes for keywords.
-     * The method searchs the recipe names and the ingredients for the keywords.
+     * The method searches the recipe names and the ingredients for the keywords.
      *
      * @param query a String with keywords to search for
      * @return a list of Recipes which contain one or several of the keywords in its name or its ingredients