Don't rmdir() nonexistent dirs in object::tree::frompath tests
Don't rmdir() nonexistent dirs in object::tree::frompath tests

It causes the clar testsuite to abort on Windows, and isn't necessary.

amyvmiwei/libgit2,t0xicCode/libgit2,mingyaaaa/libgit2,rcorre/libgit2,nacho/libgit2,linquize/libgit2,dleehr/libgit2,sygool/libgit2,t0xicCode/libgit2,chiayolin/libgit2,kenprice/libgit2,joshtriplett/libgit2,leoyanggit/libgit2,stewid/libgit2,JIghtuse/libgit2,kenprice/libgit2,chiayolin/libgit2,Aorjoa/libgit2_maked_lib,jflesch/libgit2-mariadb,sim0629/libgit2,amyvmiwei/libgit2,zodiac/libgit2.js,claudelee/libgit2,sygool/libgit2,stewid/libgit2,linquize/libgit2,chiayolin/libgit2,Snazz2001/libgit2,raybrad/libit2,joshtriplett/libgit2,evhan/libgit2,joshtriplett/libgit2,leoyanggit/libgit2,jamieleecool/ptest,Corillian/libgit2,linquize/libgit2,claudelee/libgit2,iankronquist/libgit2,whoisj/libgit2,yongthecoder/libgit2,kenprice/libgit2,yongthecoder/libgit2,jeffhostetler/public_libgit2,mhp/libgit2,chiayolin/libgit2,mingyaaaa/libgit2,Corillian/libgit2,spraints/libgit2,jamieleecool/ptest,iankronquist/libgit2,kenprice/libgit2,sygool/libgit2,dleehr/libgit2,skabel/manguse,t0xicCode/libgit2,swisspol/DEMO-libgit2,MrHacky/libgit2,mcanthony/libgit2,ardumont/libgit2,amyvmiwei/libgit2,zodiac/libgit2.js,amyvmiwei/libgit2,kissthink/libgit2,Corillian/libgit2,Snazz2001/libgit2,yosefhackmon/libgit2,MrHacky/libgit2,MrHacky/libgit2,ardumont/libgit2,yongthecoder/libgit2,sim0629/libgit2,falqas/libgit2,iankronquist/libgit2,kissthink/libgit2,swisspol/DEMO-libgit2,amyvmiwei/libgit2,kissthink/libgit2,amyvmiwei/libgit2,Aorjoa/libgit2_maked_lib,leoyanggit/libgit2,maxiaoqian/libgit2,leoyanggit/libgit2,Corillian/libgit2,maxiaoqian/libgit2,ardumont/libgit2,mhp/libgit2,magnus98/TEST,whoisj/libgit2,maxiaoqian/libgit2,falqas/libgit2,oaastest/libgit2,yosefhackmon/libgit2,spraints/libgit2,dleehr/libgit2,yongthecoder/libgit2,swisspol/DEMO-libgit2,saurabhsuniljain/libgit2,jeffhostetler/public_libgit2,Tousiph/Demo1,mrksrm/Mingijura,t0xicCode/libgit2,JIghtuse/libgit2,spraints/libgit2,skabel/manguse,Snazz2001/libgit2,mhp/libgit2,maxiaoqian/libgit2,oaastest/libgit2,mingyaaaa/libgit2,falqas/libgit2,rcorre/libgit2,maxiaoqian/libgit2,Tousiph/Demo1,JIghtuse/libgit2,jflesch/libgit2-mariadb,oaastest/libgit2,jeffhostetler/public_libgit2,mingyaaaa/libgit2,claudelee/libgit2,swisspol/DEMO-libgit2,skabel/manguse,ardumont/libgit2,kenprice/libgit2,MrHacky/libgit2,JIghtuse/libgit2,claudelee/libgit2,evhan/libgit2,raybrad/libit2,Aorjoa/libgit2_maked_lib,Tousiph/Demo1,rcorre/libgit2,kissthink/libgit2,MrHacky/libgit2,jeffhostetler/public_libgit2,magnus98/TEST,Aorjoa/libgit2_maked_lib,yongthecoder/libgit2,mingyaaaa/libgit2,joshtriplett/libgit2,MrHacky/libgit2,saurabhsuniljain/libgit2,t0xicCode/libgit2,nokiddin/libgit2,sygool/libgit2,jamieleecool/ptest,zodiac/libgit2.js,yosefhackmon/libgit2,linquize/libgit2,KTXSoftware/libgit2,oaastest/libgit2,evhan/libgit2,stewid/libgit2,joshtriplett/libgit2,spraints/libgit2,mcanthony/libgit2,linquize/libgit2,raybrad/libit2,raybrad/libit2,sim0629/libgit2,leoyanggit/libgit2,saurabhsuniljain/libgit2,nokiddin/libgit2,rcorre/libgit2,spraints/libgit2,stewid/libgit2,iankronquist/libgit2,mrksrm/Mingijura,sim0629/libgit2,mrksrm/Mingijura,Snazz2001/libgit2,Tousiph/Demo1,skabel/manguse,since2014/libgit2,saurabhsuniljain/libgit2,whoisj/libgit2,Tousiph/Demo1,spraints/libgit2,iankronquist/libgit2,Snazz2001/libgit2,mrksrm/Mingijura,KTXSoftware/libgit2,dleehr/libgit2,maxiaoqian/libgit2,nacho/libgit2,skabel/manguse,chiayolin/libgit2,iankronquist/libgit2,nokiddin/libgit2,jflesch/libgit2-mariadb,since2014/libgit2,jeffhostetler/public_libgit2,rcorre/libgit2,skabel/manguse,chiayolin/libgit2,mcanthony/libgit2,whoisj/libgit2,since2014/libgit2,jflesch/libgit2-mariadb,sim0629/libgit2,kenprice/libgit2,since2014/libgit2,nacho/libgit2,JIghtuse/libgit2,Corillian/libgit2,falqas/libgit2,linquize/libgit2,mhp/libgit2,mcanthony/libgit2,jamieleecool/ptest,raybrad/libit2,jflesch/libgit2-mariadb,nokiddin/libgit2,KTXSoftware/libgit2,KTXSoftware/libgit2,yosefhackmon/libgit2,mingyaaaa/libgit2,zodiac/libgit2.js,ardumont/libgit2,Corillian/libgit2,kissthink/libgit2,magnus98/TEST,JIghtuse/libgit2,claudelee/libgit2,falqas/libgit2,jeffhostetler/public_libgit2,Aorjoa/libgit2_maked_lib,whoisj/libgit2,rcorre/libgit2,whoisj/libgit2,saurabhsuniljain/libgit2,dleehr/libgit2,since2014/libgit2,nokiddin/libgit2,ardumont/libgit2,magnus98/TEST,sygool/libgit2,KTXSoftware/libgit2,claudelee/libgit2,sim0629/libgit2,swisspol/DEMO-libgit2,oaastest/libgit2,oaastest/libgit2,magnus98/TEST,sygool/libgit2,yosefhackmon/libgit2,Tousiph/Demo1,mcanthony/libgit2,falqas/libgit2,yongthecoder/libgit2,evhan/libgit2,zodiac/libgit2.js,jflesch/libgit2-mariadb,since2014/libgit2,kissthink/libgit2,magnus98/TEST,leoyanggit/libgit2,joshtriplett/libgit2,mhp/libgit2,yosefhackmon/libgit2,swisspol/DEMO-libgit2,dleehr/libgit2,mrksrm/Mingijura,t0xicCode/libgit2,mcanthony/libgit2,mhp/libgit2,mrksrm/Mingijura,saurabhsuniljain/libgit2,nokiddin/libgit2,nacho/libgit2,stewid/libgit2,KTXSoftware/libgit2,stewid/libgit2,Snazz2001/libgit2