i18n: Translate org.deepin.ds.dock.launcherapplet.ts in pt_BR (#637)

100% translated source file: 'org.deepin.ds.dock.launcherapplet.ts'
on 'pt_BR'.

Log:

Author: transifex-integration[bot]

shell-launcher-applet/translations/org.deepin.ds.dock.launcherapplet_pt_BR.ts

@@ -274,7 +274,7 @@
     </message>
     <message>
         <source>Uninstall</source>
-        <translation type="unfinished"/>
+        <translation>Desinstalar</translation>
     </message>
 </context>
 </TS>