Allow using RDataReporting::residuals with ASA

So far, it is not supported to use `RDataReporting::residuals` with ASA.
However, there doesn't seem to be a good reason.
It's only that the respective sensitivities for y/sigmay/res won't be computed in this case.

src/solver.cpp

@@ -735,10 +735,6 @@ void Solver::setSensitivityMethodPreequilibration(
 void Solver::checkSensitivityMethod(
     SensitivityMethod const sensi_meth, bool preequilibration
 ) const {
-    if (rdata_mode_ == RDataReporting::residuals
-        && sensi_meth == SensitivityMethod::adjoint)
-        throw AmiException("Adjoint Sensitivity Analysis is not compatible with"
-                           " only reporting residuals!");
     if (!preequilibration && sensi_meth != sensi_meth_)
         resetMutableMemory(nx(), nplist(), nquad());
 }