Inline wheel.svg into CSS

Author: GuillaumeGomez

src/librustdoc/html/static/css/rustdoc.css

@@ -1608,7 +1608,20 @@ a.tooltip:hover::after {
 	font-size: 0;
 }
 #settings-menu > a:before {
-	content: url('wheel-63255fc4502dca9a.svg');
+	/* Wheel <https://www.svgrepo.com/svg/384069/settings-cog-gear> */
+	content: url('data:image/svg+xml,<svg width="22" height="22" viewBox="0 0 12 12" \
+	enable-background="new 0 0 12 12" xmlns="http://www.w3.org/2000/svg">\
+	<path d="M10.25,6c0-0.1243286-0.0261841-0.241333-0.0366211-0.362915l1.6077881-1.5545654l\
+	-1.25-2.1650391  c0,0-1.2674561,0.3625488-2.1323853,0.6099854c-0.2034912-0.1431885-0.421875\
+	-0.2639771-0.6494751-0.3701782L7.25,0h-2.5 c0,0-0.3214111,1.2857666-0.5393066,2.1572876\
+	C3.9830933,2.2634888,3.7647095,2.3842773,3.5612183,2.5274658L1.428833,1.9174805 \
+	l-1.25,2.1650391c0,0,0.9641113,0.9321899,1.6077881,1.5545654C1.7761841,5.758667,\
+	1.75,5.8756714,1.75,6  s0.0261841,0.241333,0.0366211,0.362915L0.178833,7.9174805l1.25,\
+	2.1650391l2.1323853-0.6099854  c0.2034912,0.1432495,0.421875,0.2639771,0.6494751,0.3701782\
+	L4.75,12h2.5l0.5393066-2.1572876  c0.2276001-0.1062012,0.4459839-0.2269287,0.6494751\
+	-0.3701782l2.1323853,0.6099854l1.25-2.1650391L10.2133789,6.362915  C10.2238159,6.241333,\
+	10.25,6.1243286,10.25,6z M6,7.5C5.1715698,7.5,4.5,6.8284302,4.5,6S5.1715698,4.5,6,4.5S7.5\
+	,5.1715698,7.5,6  S6.8284302,7.5,6,7.5z" fill="black"/></svg>');
 	width: 22px;
 	height: 22px;
 }

src/librustdoc/html/static/images/wheel.svg

@@ -99,7 +99,6 @@ static_files! {
     src_script_js => "static/js/src-script.js",
     storage_js => "static/js/storage.js",
     scrape_examples_js => "static/js/scrape-examples.js",
-    wheel_svg => "static/images/wheel.svg",
     copyright => "static/COPYRIGHT.txt",
     license_apache => "static/LICENSE-APACHE.txt",
     license_mit => "static/LICENSE-MIT.txt",