Drop media component

Author: mdo

scss/_media.scss

@@ -31,7 +31,6 @@
 @import "jumbotron";
 @import "alert";
 @import "progress";
-@import "media";
 @import "list-group";
 @import "close";
 @import "toasts";

scss/bootstrap.scss

@@ -41,7 +41,6 @@
     - title: Input group
     - title: Jumbotron
     - title: List group
-    - title: Media object
     - title: Modal
     - title: Navs
     - title: Navbar