remove cobertura.ser -- added it to gitignore
remove cobertura.ser -- added it to gitignore

Signed-off-by: Ola Bini <c81113e80705c06caeea32c5a680a9c803110360@gmail.com>

olabini/ioke,bculkin2442/ioke,olabini/ioke,olabini/ioke,bculkin2442/ioke,bculkin2442/ioke,olabini/ioke,bculkin2442/ioke,bculkin2442/ioke,olabini/ioke,olabini/ioke,bculkin2442/ioke,bculkin2442/ioke