autotools: minor cleanup

Change-Id: Ic7862a4a97e60ed016a53f5893e03e3f9ec11e53
Reviewed-by: Patricia Santana Cruz <patriciasc@openismus.com>
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/autotoolsprojectmanager/makefileparser.cpp

@@ -57,10 +57,6 @@ MakefileParser::MakefileParser(const QString &makefile) :
 {
 }
 
-MakefileParser::~MakefileParser()
-{
-}
-
 bool MakefileParser::parse()
 {
     m_mutex.lock();