[Bug 4863] Clean up the CSV class: Fix two phpcs issues

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/seminars/trunk@83029 735d13b6-9817-0410-8766-e36946ffe9aa
[Bug 4909] Cleanup: Drop the type number for the CSV export

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/seminars/trunk@83031 735d13b6-9817-0410-8766-e36946ffe9aa
[Bug 4909] Cleanup: Drop the constant for the type number for the publication plugin

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/seminars/trunk@83032 735d13b6-9817-0410-8766-e36946ffe9aa
[Bug 4863] Cleanup: Drop the configgetter from the pi2 class.

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/seminars/trunk@83035 735d13b6-9817-0410-8766-e36946ffe9aa
[Bug 4863] Cleanup: Simplify BackEnd/CSV.php.

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/seminars/trunk@83071 735d13b6-9817-0410-8766-e36946ffe9aa