Fix extra space in translation

The only mistake I found, really.

Contributes to issue CURA-4692.

resources/i18n/pt_PT/cura.po

@@ -222,7 +222,7 @@ msgctxt "@info:title"
 msgid "Saving"
 msgstr "A Guardar"
 
-#: /home/ruben/Projects/Cura/plugins/RemovableDriveOutputDevice/RemovableDriveOutputDevice.py:99
+#: /home/ruben/Projects/Cura/plugins/RemovableDriveOutputDevice/RemovableDriveOutputDevice.py:99"
 #: /home/ruben/Projects/Cura/plugins/RemovableDriveOutputDevice/RemovableDriveOutputDevice.py:102
 #, python-brace-format
 msgctxt "@info:status Don't translate the XML tags <filename> or <message>!"
@@ -320,7 +320,7 @@ msgstr "Estado da ligação"
 #: /home/ruben/Projects/Cura/plugins/UM3NetworkPrinting/NetworkPrinterOutputDevice.py:160
 msgctxt "@info:status"
 msgid ""
-msgstr " "
+msgstr ""
 
 #: /home/ruben/Projects/Cura/plugins/UM3NetworkPrinting/NetworkPrinterOutputDevice.py:160
 #: /home/ruben/Projects/Cura/plugins/UM3NetworkPrinting/NetworkPrinterOutputDevice.py:163