update translations after another de-fuzzying round

Change-Id: I6e1ca870035df2560f2c77ca06f35678476e7591

source/si/filter/messages.po

@@ -768,7 +768,6 @@ msgid "Select..."
 msgstr "තෝරන්න..."
 
 #: pdfsignpage.ui:159
-#, fuzzy
 msgctxt "pdfsignpage|tsa"
 msgid "None"
 msgstr "කිසිවක් නැත"
@@ -779,7 +778,6 @@ msgid "Certificate password:"
 msgstr ""
 
 #: pdfsignpage.ui:186
-#, fuzzy
 msgctxt "pdfsignpage|label12"
 msgid "Location:"
 msgstr "ස්ථානය:"