New Entry: R_Recombination/training/4

Updated rate rule for CCC[C]O + O2 = CCCC(O[O])O

Submitted through the RMG website.
New Entry: HO2_Elimination_from_PeroxyRadical/training/2

Updated rate rule for CCCC(O[O])O = CCCC=O + HO2

Submitted through the RMG website.