LB: update some fixme/todo comments

src/LB.cpp

@@ -1010,6 +1010,7 @@ relax_info GenericHomotopy::mixed_BigM_homotopytemps(const mat& A_S1, vec *x_S1,
 					scr_ref.T_explo += screening_chrono->check();
 
 					// === Screened components stats ===
+					// FIXME: inside an ifdef LOG_PER_NODE_STAT for the nb_* part ?
 					scr_ref.nb_0_scr_SBar += uQv_0.n_elem;
 					nb_SBar_0 += uQv_0.n_elem;
 
@@ -3030,7 +3031,6 @@ static relax_info ICD_l2pl0(const colvec& y, const mat& A_S1, const mat& A_SBar,
 		}
 
 		if ((i % mod_kkt_check) == 0) {
-			// !!! TODO : kkt_check: x_k_S1 and x_k_SBar passed by reference !!!
 			bool kkt_ok = l2pl1_kkt(y, A_S1, A_SBar, M, lambda, x_k_S1, x_k_SBar);
 			if (kkt_ok) {
 				// Residual (c/)should have changed