Image Rendering: Remove PhantomJS support (#23460)

Removes all references and usage of PhantomJS #23375.
Remove direct link rendered image e2e smoke test for now.
Docker: Fix installing chrome in ubuntu custom docker image.
Improve handling of image renderer not available/installed #23593.
Add PhantomJS breaking change and upgrading notes.
Use grabpl v0.2.10.

Closes #13802

Co-authored-by: Kyle Brandt <kyle@grafana.com>
Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>
Co-authored-by: Diana Payton <52059945+oddlittlebird@users.noreply.github.com>

public/sass/components/_panel_graph.scss

@@ -118,29 +118,6 @@
   padding-left: 6px;
 }
 
-// fix for phantomjs
-.body--phantomjs {
-  .graph-panel {
-    display: -webkit-box;
-  }
-
-  .graph-panel--legend-right {
-    .graph-legend {
-      display: block;
-      max-width: min-content;
-    }
-
-    .graph-panel__chart {
-      display: flex;
-    }
-
-    .graph-legend-table {
-      display: table;
-      width: auto;
-    }
-  }
-}
-
 .graph-legend-table {
   padding-bottom: 1px;
   padding-right: 5px;

public/sass/components/_scrollbar.scss

@@ -275,11 +275,6 @@
   opacity: 0.9;
 }
 
-// fix for phantomjs
-.body--phantomjs .baron__track .baron__bar {
-  opacity: 0 !important;
-}
-
 .baron__control {
   display: none;
 }

public/sass/layout/_page.scss

@@ -86,13 +86,6 @@
   }
 }
 
-// fix for phantomjs
-.body--phantomjs {
-  .scroll-canvas {
-    overflow: hidden;
-  }
-}
-
 .page-body {
   padding-top: $spacer * 2;
   padding-bottom: $spacer * 4;