remove duplicated paper

Author: njzjz

source/papers/deepmd-kit/index.md

@@ -139,7 +139,6 @@ Bonati_PhysRevLett_2018_v121_p265701,
 Chen_JPhysChemLett_2018_v9_p6702,
 Zhang_JChemPhys_2018_v149_p154107,
 Zhang_JChemPhys_2018_v149_p034101,
-Zhang_PhysRevLett_2018_v120_p143001,
 Wang_ComputerPhysicsCommunications_2018_v228_p178,
 Zhang_PhysRevLett_2018_v120_p143001
 {% endpublications %}