Fix invalid header in lazpaint.pl.po

lazpaint/release/bin/i18n/lazpaint.pl.po

@@ -1,12 +1,4 @@
 msgid ""
-"Content-Type: text/plain; charset=UTF-8\n"
-"Project-Id-Version: \n"
-"POT-Creation-Date: \n"
-"PO-Revision-Date: \n"
-"Last-Translator: \n"
-"Language-Team: \n"
-"MIME-Version: 1.0\n"
-"Content-Transfer-Encoding: 8bit\n"
 msgstr ""
 "Project-Id-Version: \n"
 "POT-Creation-Date: \n"