Erroneously marked as a C format string and flagged as invalid by msgfmt.

Index: app/i18n/fi.po
--- app/i18n/fi.po.orig
+++ app/i18n/fi.po
@@ -12813,7 +12813,6 @@ msgstr ""
 
 #. i18n: C:/Users/mf/Documents/XTrackCAD/src/work/app/lib/demos/dmhelix.xtr:28
 #: ../../../../build/work/app/i18n/custmsg.h:627
-#, c-format
 msgid ""
 "We will be creating a helix with a Elevation Difference of 12\", Grade of "
 "1.5% and limit the Vertical Separation to at least 2\".\n"
