thumbnails cleanup: no more UL or LI elements needed, instead just use standard grid markup

docs/assets/css/bootstrap-responsive.css

@@ -355,12 +355,6 @@
   uneditable-input.offset1 {
     margin-left: 9.615384615384613%;
   }
-  .thumbnails {
-    margin-left: -30px;
-  }
-  .thumbnails > li {
-    margin-left: 30px;
-  }
 }
 
 @media (min-width: 768px) and (max-width: 979px) {
@@ -486,12 +480,7 @@
   .container {
     width: auto;
   }
-  .row,
-  .thumbnails {
-    margin-left: 0;
-  }
-  .thumbnails > li {
-    float: none;
+  .row {
     margin-left: 0;
   }
   [class*="span"],
@@ -500,19 +489,7 @@
     float: none;
     width: 100%;
     margin-left: 0;
-    -webkit-box-sizing: border-box;
-       -moz-box-sizing: border-box;
-            box-sizing: border-box;
   }
-  .span12 {
-    width: 100%;
-    -webkit-box-sizing: border-box;
-       -moz-box-sizing: border-box;
-            box-sizing: border-box;
-  }
-  .input-large,
-  .input-xlarge,
-  .input-xxlarge,
   input[class*="span"],
   select[class*="span"],
   textarea[class*="span"],

docs/assets/css/bootstrap.css

@@ -5173,32 +5173,6 @@ input[type="submit"].btn::-moz-focus-inner {
   border-width: 11px 0 11px 11px;
 }
 
-.thumbnails {
-  margin-left: -20px;
-  list-style: none;
-}
-
-.thumbnails:before,
-.thumbnails:after {
-  display: table;
-  line-height: 0;
-  content: "";
-}
-
-.thumbnails:after {
-  clear: both;
-}
-
-.row-fluid .thumbnails {
-  margin-left: 0;
-}
-
-.thumbnails > li {
-  float: left;
-  margin-bottom: 20px;
-  margin-left: 20px;
-}
-
 .thumbnail {
   display: block;
   padding: 4px;