Pontoon: Update Greek (el) localization of AMO

Co-authored-by: Jim Spentzos <jimspentzos2000@gmail.com>

locale/el/LC_MESSAGES/django.po

@@ -4,7 +4,7 @@ msgstr ""
 "Project-Id-Version: REMORA 0.1\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
 "POT-Creation-Date: 2020-06-09 18:00+0000\n"
-"PO-Revision-Date: 2020-06-12 15:12+0000\n"
+"PO-Revision-Date: 2020-06-12 15:13+0000\n"
 "Last-Translator: Jim Spentzos <jimspentzos2000@gmail.com>\n"
 "Language-Team: el-GR <LL@li.org>\n"
 "Language: el\n"
@@ -3188,7 +3188,7 @@ msgid "For developers"
 msgstr "Για προγραμματιστές"
 
 msgid "For end users"
-msgstr ""
+msgstr "Για τελικούς χρήστες"
 
 msgid "Matrix"
 msgstr ""
@@ -3216,7 +3216,7 @@ msgid "Sign Up"
 msgstr "Εγγραφή"
 
 msgid "Thanks!"
-msgstr ""
+msgstr "Ευχαριστούμε!"
 
 msgid "If you haven’t previously confirmed a subscription to a Mozilla-related newsletter you may have to do so. Please check your inbox or your spam filter for an email from us."
 msgstr ""