clean up Cookbook generation logs
Mantis Issue 372, reported by jmalik, assigned to jmalik, created: 2011-06-30
they contains lots of errors, duplicated labels, etc... though it generates OK
1309537736 - C ValladeauOK for the errors (http://hg.orfeo-toolbox.org/OTB-Documents/rev/1a0a282eec80).
1341821618 - julienmNo more latex warnings :)