icons: Remove last vestiges of ellipsis-v-solid.

The deleted CSS around the `.zulip-icon-ellipsis-v-solid` class
has no impact on the hover controls, as flexbox and grid are
handling baseline alignment, not this one-off line-height.

docs/THIRDPARTY

@@ -76,11 +76,6 @@ Copyright: 2013-2023 Cole Bemis (https://feathericons.com)
 License: Expat
 Comment: Icon has been modified by Vlad Koborov
 
-Files: web/shared/icons/ellipsis-v-solid.svg
-Copyright: 2017 Fonticons, Inc.
-License: CC-BY-4.0
-Comment: This icon is picked from Version 5.13.0 of Font Awesome
-
 Files: web/shared/icons/globe.svg
 Source: https://github.com/ionic-team/ionicons/blob/v5.5.2/src/svg/earth.svg, modified to increase the width of the globe outline.
 Copyright: 2015-present Ionic (http://ionic.io/)

web/shared/icons/README.md

@@ -5,4 +5,4 @@ Icons placed in this directory are compiled by the web application
 build system into a custom icon font. You can use them in HTML using
 the following syntax:
 
-`<i class="zulip-icon zulip-icon-ellipsis-v-solid">`
+`<i class="zulip-icon zulip-icon-more-vertical">`

web/shared/icons/ellipsis-v-solid.svg

@@ -1 +0,0 @@
-<svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="ellipsis-v" class="svg-inline--fa fa-ellipsis-v fa-w-6" role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 192 512"><path fill="currentColor" d="M96 184c39.8 0 72 32.2 72 72s-32.2 72-72 72-72-32.2-72-72 32.2-72 72-72zM24 80c0 39.8 32.2 72 72 72s72-32.2 72-72S135.8 8 96 8 24 40.2 24 80zm0 352c0 39.8 32.2 72 72 72s72-32.2 72-72-32.2-72-72-72-72 32.2-72 72z"></path></svg>

web/styles/zulip.css

@@ -1285,14 +1285,6 @@ td.pointer {
         }
     }
 
-    .actions_hover {
-        line-height: 1;
-
-        .zulip-icon-ellipsis-v-solid {
-            padding: 2px 5.33px;
-        }
-    }
-
     /* Tooltips should not follow the width restrictions of their parent element. */
     [data-tippy-root] {
         width: max-content;