Exclude Bootstrap's popovers

Not using them anywhere on the site currently, so commented them out
in bootstrap.less and regenerated bootstrap.css.

static/css/bootstrap.css

@@ -4922,137 +4922,6 @@ button.close {
   border-width: 0 5px 5px;
   border-bottom-color: #000000;
 }
-.popover {
-  position: absolute;
-  top: 0;
-  left: 0;
-  z-index: 1060;
-  display: none;
-  max-width: 276px;
-  padding: 1px;
-  font-family: -apple-system, BlinkMacSystemFont, Helvetica, Arial, sans-serif;
-  font-style: normal;
-  font-weight: normal;
-  letter-spacing: normal;
-  line-break: auto;
-  line-height: 1.42857143;
-  text-align: left;
-  text-align: start;
-  text-decoration: none;
-  text-shadow: none;
-  text-transform: none;
-  white-space: normal;
-  word-break: normal;
-  word-spacing: normal;
-  word-wrap: normal;
-  font-size: 14px;
-  background-color: #ffffff;
-  background-clip: padding-box;
-  border: 1px solid #cccccc;
-  border: 1px solid rgba(0, 0, 0, 0.2);
-  border-radius: 3px;
-  -webkit-box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
-  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
-}
-.popover.top {
-  margin-top: -10px;
-}
-.popover.right {
-  margin-left: 10px;
-}
-.popover.bottom {
-  margin-top: 10px;
-}
-.popover.left {
-  margin-left: -10px;
-}
-.popover-title {
-  margin: 0;
-  padding: 8px 14px;
-  font-size: 14px;
-  background-color: #f7f7f7;
-  border-bottom: 1px solid #ebebeb;
-  border-radius: 2px 2px 0 0;
-}
-.popover-content {
-  padding: 9px 14px;
-}
-.popover > .arrow,
-.popover > .arrow:after {
-  position: absolute;
-  display: block;
-  width: 0;
-  height: 0;
-  border-color: transparent;
-  border-style: solid;
-}
-.popover > .arrow {
-  border-width: 11px;
-}
-.popover > .arrow:after {
-  border-width: 10px;
-  content: "";
-}
-.popover.top > .arrow {
-  left: 50%;
-  margin-left: -11px;
-  border-bottom-width: 0;
-  border-top-color: #999999;
-  border-top-color: rgba(0, 0, 0, 0.25);
-  bottom: -11px;
-}
-.popover.top > .arrow:after {
-  content: " ";
-  bottom: 1px;
-  margin-left: -10px;
-  border-bottom-width: 0;
-  border-top-color: #ffffff;
-}
-.popover.right > .arrow {
-  top: 50%;
-  left: -11px;
-  margin-top: -11px;
-  border-left-width: 0;
-  border-right-color: #999999;
-  border-right-color: rgba(0, 0, 0, 0.25);
-}
-.popover.right > .arrow:after {
-  content: " ";
-  left: 1px;
-  bottom: -10px;
-  border-left-width: 0;
-  border-right-color: #ffffff;
-}
-.popover.bottom > .arrow {
-  left: 50%;
-  margin-left: -11px;
-  border-top-width: 0;
-  border-bottom-color: #999999;
-  border-bottom-color: rgba(0, 0, 0, 0.25);
-  top: -11px;
-}
-.popover.bottom > .arrow:after {
-  content: " ";
-  top: 1px;
-  margin-left: -10px;
-  border-top-width: 0;
-  border-bottom-color: #ffffff;
-}
-.popover.left > .arrow {
-  top: 50%;
-  right: -11px;
-  margin-top: -11px;
-  border-right-width: 0;
-  border-left-color: #999999;
-  border-left-color: rgba(0, 0, 0, 0.25);
-}
-.popover.left > .arrow:after {
-  content: " ";
-  right: 1px;
-  border-right-width: 0;
-  border-left-color: #ffffff;
-  bottom: -10px;
-}
 .clearfix:before,
 .clearfix:after,
 .dl-horizontal dd:before,

stuff/bootstrap/bootstrap.less

@@ -48,7 +48,7 @@
 // Components w/ JavaScript
 @import "modals.less";
 @import "tooltip.less";
-@import "popovers.less";
+// @import "popovers.less";
 // @import "carousel.less";
 
 // Utility classes