Remove closeIdleConnections function.
Remove closeIdleConnections function.

Signed-off-by: Dong Chen <252dc6b7229d6040aded2d6fd307bed15f92f3c6@docker.com>

phiroict/docker,JimGalasyn/docker.github.io,auzias/swarm,Spritekin/swarm,gradywang/swarm,joeuo/docker.github.io,thaJeztah/docker.github.io,joaofnfernandes/docker.github.io,aduermael/docker.github.io,docker/docker.github.io,shubheksha/docker.github.io,shin-/docker.github.io,johnstep/docker.github.io,phiroict/docker,LukasBacigal/swarm,echupriyanov/swarm,anweiss/docker.github.io,doronp/swarm,joeuo/docker.github.io,denverdino/denverdino.github.io,resouer/swarm,docker/docker.github.io,menglingwei/denverdino.github.io,kyhavlov/swarm,rillig/docker.github.io,bdwill/docker.github.io,atlassian/swarm,swarm-hooks/swarm,anweiss/docker.github.io,anweiss/docker.github.io,shubheksha/docker.github.io,thaJeztah/docker.github.io,sanscontext/docker.github.io,phiroict/docker,shin-/docker.github.io,anweiss/docker.github.io,docker-zh/docker.github.io,swarm-hooks/swarm,alexisbellido/docker.github.io,denverdino/denverdino.github.io,londoncalling/docker.github.io,CodeNow/swarm,johnstep/docker.github.io,BSWANG/denverdino.github.io,barais/swarm,JimGalasyn/docker.github.io,sanscontext/docker.github.io,danix800/docker.github.io,qianzhangxa/swarm,johnstep/docker.github.io,jzwlqx/denverdino.github.io,allencloud/swarm,fugr/swarm,londoncalling/docker.github.io,LuisBosquez/docker.github.io,xFragger/swarm,gdevillele/docker.github.io,docker/docker.github.io,menglingwei/denverdino.github.io,sfsmithcha/swarm,liubin/swarm,BSWANG/denverdino.github.io,menglingwei/denverdino.github.io,joaofnfernandes/docker.github.io,londoncalling/docker.github.io,danix800/docker.github.io,LukasBacigal/swarm,denverdino/docker.github.io,JimGalasyn/docker.github.io,docker-zh/docker.github.io,troy0820/docker.github.io,aduermael/docker.github.io,gdevillele/docker.github.io,sfsmithcha/swarm,xFragger/swarm,doronp/swarm,denverdino/docker.github.io,joeuo/docker.github.io,shubheksha/docker.github.io,JimGalasyn/docker.github.io,troy0820/docker.github.io,jimmycmh/swarm,thaJeztah/docker.github.io,BSWANG/denverdino.github.io,shubheksha/docker.github.io,alexisbellido/docker.github.io,danix800/docker.github.io,bdwill/docker.github.io,docker/docker.github.io,phiroict/docker,atlassian/swarm,jimmycmh/swarm,joaofnfernandes/docker.github.io,LuisBosquez/docker.github.io,allencloud/swarm,LuisBosquez/docker.github.io,danix800/docker.github.io,rillig/docker.github.io,shubheksha/docker.github.io,menglingwei/denverdino.github.io,fugr/swarm,Spritekin/swarm,bdwill/docker.github.io,JimGalasyn/docker.github.io,rchicoli/swarm,alexisbellido/docker.github.io,shin-/docker.github.io,jzwlqx/denverdino.github.io,liubin/swarm,aduermael/docker.github.io,resouer/swarm,anweiss/docker.github.io,BSWANG/denverdino.github.io,phiroict/docker,thaJeztah/docker.github.io,docker-zh/docker.github.io,ezrasilvera/swarm,rillig/docker.github.io,gradywang/swarm,LuisBosquez/docker.github.io,bdwill/docker.github.io,denverdino/docker.github.io,qianzhangxa/swarm,denverdino/docker.github.io,docker/docker.github.io,londoncalling/docker.github.io,linecheng/swarm,thaJeztah/docker.github.io,linecheng/swarm,denverdino/docker.github.io,BSWANG/denverdino.github.io,barais/swarm,gdevillele/docker.github.io,johnstep/docker.github.io,johnstep/docker.github.io,sanscontext/docker.github.io,londoncalling/docker.github.io,LuisBosquez/docker.github.io,jzwlqx/denverdino.github.io,denverdino/denverdino.github.io,alexisbellido/docker.github.io,joaofnfernandes/docker.github.io,shin-/docker.github.io,bdwill/docker.github.io,rillig/docker.github.io,alexisbellido/docker.github.io,kyhavlov/swarm,denverdino/denverdino.github.io,joeuo/docker.github.io,denverdino/denverdino.github.io,moxiegirl/swarm,troy0820/docker.github.io,troy0820/docker.github.io,echupriyanov/swarm,aduermael/docker.github.io,moxiegirl/swarm,menglingwei/denverdino.github.io,rchicoli/swarm,jzwlqx/denverdino.github.io,docker-zh/docker.github.io,shin-/docker.github.io,gdevillele/docker.github.io,docker-zh/docker.github.io,jzwlqx/denverdino.github.io,sanscontext/docker.github.io,CodeNow/swarm,ezrasilvera/swarm,gdevillele/docker.github.io,auzias/swarm,joeuo/docker.github.io,sanscontext/docker.github.io,joaofnfernandes/docker.github.io