Remove version number from index.php

Makefile

@@ -67,7 +67,7 @@ roundcubemail-git: buildtools
 	(cd roundcubemail-git; find . -name '.gitignore' | xargs rm -f)
 	(cd roundcubemail-git; find . -name '.travis.yml' | xargs rm -f)
 	(cd roundcubemail-git; rm -rf tests plugins/*/tests .git* .tx* .ci* .editorconfig* index-test.php Dockerfile Makefile package.json package-lock.json node_modules)
-	(cd roundcubemail-git; $(SEDI) 's/1.7-git/$(VERSION)/' index.php public_html/index.php installer/index.php program/include/iniset.php program/lib/Roundcube/bootstrap.php)
+	(cd roundcubemail-git; $(SEDI) 's/1.7-git/$(VERSION)/' program/include/iniset.php program/lib/Roundcube/bootstrap.php)
 	(cd roundcubemail-git; $(SEDI) 's/# Unreleased/# Release $(VERSION)'/ CHANGELOG.md)
 
 buildtools: /tmp/composer.phar npm-install

installer/index.php

@@ -3,7 +3,6 @@
 /*
  +-------------------------------------------------------------------------+
  | Roundcube Webmail setup tool                                            |
- | Version 1.7-git                                                         |
  |                                                                         |
  | Copyright (C) The Roundcube Dev Team                                    |
  |                                                                         |