fix(challenges): removed redundant text from challenge

ISSUES CLOSED: #36

challenges/03-front-end-libraries/bootstrap.json

@@ -1329,10 +1329,6 @@
       "description": [
         "We will make a simple heading for our Cat Photo App by putting the title and relaxing cat image in the same row.",
         "Remember, Bootstrap uses a responsive grid system, which makes it easy to put elements into rows and specify each element's relative width. Most of Bootstrap's classes can be applied to a <code>div</code> element.",
-        "Take for example Bootstrap's <code>col-md-*</code> class. Here, <code>md</code> means medium, and <code>*</code> is a number specifying how many columns wide the element should be. In this case, the column width of an element on a medium-sized screen, such as a laptop, is being specified.",
-        "In the Cat Photo App that we're building, we'll use <code>col-xs-*</code>, where <code>xs</code> means extra small (like an extra-small mobile phone screen), and <code>*</code> is the number of columns specifying how many columns wide the element should be.",
-        "Put the <code>Like</code>, <code>Info</code> and <code>Delete</code> buttons side-by-side by nesting all three of them within one <code>&#60;div class=\"row\"&#62;</code> element, then each of them within a <code>&#60;div class=\"col-xs-4\"&#62;</code> element.",
-        "In the Cat Photo App that we're building, we'll use <code>col-xs-*</code>, where <code>xs</code> means extra small (like an extra-small mobile phone screen), and <code>*</code> is the number of columns specifying how many columns wide the element should be.",
         "Nest your first image and your <code>h2</code> element within a single <code>&#60;div class=\"row\"&#62;</code> element. Nest your <code>h2</code> element within a <code>&#60;div class=\"col-xs-8\"&#62;</code> and your image in a <code>&#60;div class=\"col-xs-4\"&#62;</code> so that they are on the same line.",
         "Notice how the image is now just the right size to fit along the text?"
       ],