With commit ab05279782de38dcb8476e0305985f9c5d41fee1 the file 18 was apparently created in the root directory by mistake. This pull request removes it again
coverage: 84.768%. remained the same
when pulling 944bfda02149b9a9506245476a419ce0950f9554 on gsnw:remove-file-18
into f71e40ab600b1b3d00f163d1edf7125ca99b25bd on schweikert:develop.
With commit ab05279782de38dcb8476e0305985f9c5d41fee1 the file 18 was apparently created in the root directory by mistake. This pull request removes it again