Cleanup unused CSS

vendors/bootstrap/less/buttons.less

@@ -86,13 +86,6 @@
   margin-top: 0;
 }
 
-// Mini
-.btn-mini {
-  padding: 2px 6px;
-  font-size: @baseFontSize - 3px;
-  line-height: @baseLineHeight - 4px;
-}
-
 // Block button
 .btn-block {
   display: block;
@@ -110,12 +103,9 @@
 // --------------------------------------------------
 
 // Provide *some* extra contrast for those who can get it
-.btn-primary.active,
 .btn-warning.active,
 .btn-danger.active,
-.btn-success.active,
-.btn-info.active,
-.btn-inverse.active {
+.btn-success.active {
   color: rgba(255,255,255,.75);
 }
 
@@ -126,9 +116,6 @@
   border-color: #c5c5c5;
   border-color: rgba(0,0,0,.15) rgba(0,0,0,.15) rgba(0,0,0,.25);
 }
-.btn-primary {
-  .buttonBackground(@btnPrimaryBackground, @btnPrimaryBackgroundHighlight);
-}
 // Warning appears are orange
 .btn-warning {
   .buttonBackground(@btnWarningBackground, @btnWarningBackgroundHighlight);
@@ -141,49 +128,3 @@
 .btn-success {
   .buttonBackground(@btnSuccessBackground, @btnSuccessBackgroundHighlight);
 }
-// Info appears as a neutral blue
-.btn-info {
-  .buttonBackground(@btnInfoBackground, @btnInfoBackgroundHighlight);
-}
-// Inverse appears as dark gray
-.btn-inverse {
-  .buttonBackground(@btnInverseBackground, @btnInverseBackgroundHighlight);
-}
-
-
-// Cross-browser Jank
-// --------------------------------------------------
-
-button.btn,
-input[type="submit"].btn {
-
-  // Firefox 3.6 only I believe
-  &::-moz-focus-inner {
-    padding: 0;
-    border: 0;
-  }
-
-}
-
-
-// Link buttons
-// --------------------------------------------------
-
-// Make a button look and behave like a link
-.btn-link,
-.btn-link:active {
-  background-color: transparent;
-  background-image: none;
-  box-shadow: none;
-}
-.btn-link {
-  border-color: transparent;
-  cursor: pointer;
-  color: @linkColor;
-  border-radius: 0;
-}
-.btn-link:hover {
-  color: @linkColorHover;
-  text-decoration: underline;
-  background-color: transparent;
-}