Removed setting of observed values in the SimpleMetropolisHastingsSamplerTest
Removed setting of observed values in the SimpleMetropolisHastingsSamplerTest

chunshen1987/DistributionSampling,chunshen1987/DistributionSampling,chunshen1987/DistributionSampling,chunshen1987/DistributionSampling,chunshen1987/DistributionSampling,chunshen1987/DistributionSampling