Rollback to arial

jet/static/jet/css/themes/light-blue/_variables.scss

@@ -17,9 +17,7 @@ $hover-link-color: #1cacfc;
 
 $contrast-color: #5EADDE;
 
-@import url(https://fonts.googleapis.com/css?family=Source+Sans+Pro);
-
-$font: 'Source Sans Pro', 'Helvetica Neue', Helvetica, Arial, sans-serif;
+$font: Arial, sans-serif !default;
 $font-size: 14px;
 
 /*

jet/static/jet/css/themes/light-gray/_variables.scss

@@ -17,9 +17,7 @@ $hover-link-color: #1cacfc;
 
 $contrast-color: #2faa60;
 
-@import url(https://fonts.googleapis.com/css?family=Source+Sans+Pro);
-
-$font: 'Source Sans Pro', 'Helvetica Neue', Helvetica, Arial, sans-serif;
+$font: Arial, sans-serif !default;
 $font-size: 14px;
 
 /*

jet/static/jet/css/themes/light-green/_variables.scss

@@ -17,9 +17,7 @@ $hover-link-color: #1cacfc;
 
 $contrast-color: #2faa60;
 
-@import url(https://fonts.googleapis.com/css?family=Source+Sans+Pro);
-
-$font: 'Source Sans Pro', 'Helvetica Neue', Helvetica, Arial, sans-serif;
+$font: Arial, sans-serif !default;
 $font-size: 14px;
 
 /*

jet/static/jet/css/themes/light-violet/_variables.scss

@@ -17,9 +17,7 @@ $hover-link-color: #1cacfc;
 
 $contrast-color: #A464C4;
 
-@import url(https://fonts.googleapis.com/css?family=Source+Sans+Pro);
-
-$font: 'Source Sans Pro', 'Helvetica Neue', Helvetica, Arial, sans-serif;
+$font: Arial, sans-serif !default;
 $font-size: 14px;
 
 /*