fix: Background link opens in same tab without external icon

Remove target="_blank" and external link icon from Background nav link
so it redirects in the same tab instead of opening a new one.

Author: spicermatthews

src/components/SettingsPage.js

@@ -178,11 +178,7 @@ const SettingsPage = (props) => {
         <div className={classes.sidebarContentContainer}>
           <List className={classes.list}>
             <SettingsMenuItem to={accountURL}>Account</SettingsMenuItem>
-            <SettingsMenuItem
-              to="https://tab.gladly.io/v5/account/background"
-              IconComponent={OpenInNew}
-              target="_blank"
-            >
+            <SettingsMenuItem to="https://tab.gladly.io/v5/account/background">
               Background
             </SettingsMenuItem>
             <SettingsMenuItem to={aboutURL}>About the Cause</SettingsMenuItem>