MAINT ignore kernprof.py reports
BUG delete/delete[] error in Liblinear

cppcheck reported:
[sklearn/svm/src/liblinear/linear.cpp:2240]: (error) Mismatching allocation and
deallocation: C
[sklearn/svm/src/liblinear/linear.cpp:2258]: (error) Mismatching allocation and
deallocation: C
[sklearn/svm/src/liblinear/linear.cpp:2303]: (error) Mismatching allocation and
deallocation: C

Signed-off-by: Thomas Jarosch <thomas.jarosch@intra2net.com>