fix: remove the "timezone" word in the PDF output’s introduction

kosmorrolib/dumper.py

@@ -263,7 +263,7 @@ class _LatexDumper(Dumper):
                            "It aims to help you to prepare your observation session. "
                            "All the hours are given in {timezone}.").format(
                                date=self.get_date_as_string(),
-                               timezone='UTC+%d timezone' % self.timezone if self.timezone != 0 else 'UTC'
+                               timezone='UTC+%d' % self.timezone if self.timezone != 0 else 'UTC'
                            ),
                          _("Don't forget to check the weather forecast before you go out with your material.")
                      ])) \