update translations after first de-fuzzying round

Change-Id: Ie6b488bf4cb510522eb8d92b479b4ab42226698d

source/km/desktop/messages.po

@@ -732,7 +732,6 @@ msgid "Extension Manager"
 msgstr "កម្មវិធី​គ្រប់គ្រង​ផ្នែក​បន្ថែម​"
 
 #: extensionmanager.ui:82
-#, fuzzy
 msgctxt "extensionmanager|optionsbtn"
 msgid "_Options"
 msgstr "ជម្រើស​"
@@ -744,7 +743,6 @@ msgid "Check for _Updates"
 msgstr " ពិនិត្យ​រក​មើល​បច្ចុប្បន្ន​​ភាព..."
 
 #: extensionmanager.ui:111
-#, fuzzy
 msgctxt "extensionmanager|addbtn"
 msgid "_Add"
 msgstr "បន្ថែម"
@@ -927,7 +925,6 @@ msgid "Downloading extensions..."
 msgstr "កំពុង​ទាញយក​ផ្នែក​បន្ថែម..."
 
 #: updateinstalldialog.ui:125
-#, fuzzy
 msgctxt "updateinstalldialog|RESULTS"
 msgid "Result"
 msgstr "លទ្ធផល"