ninja windows: internal cleanup, get rid of self.configname
ninja windows: internal cleanup, get rid of self.configname

It was pseudo-global, kind of weird, and better off gone. I don't think I'll miss him.

R=thakis@chromium.org

Review URL: https://chromiumcodereview.appspot.com/9965001

git-svn-id: e7e1075985beda50ea81ac4472467b4f6e91fc78@1289 78cadc50-ecff-11dd-a971-7dbc132099af

ryfx/gyp,yinquan529/platform-external-chromium_org-tools-gyp,mapbox/gyp,MIPS/external-chromium_org-tools-gyp,springmeyer/gyp,pandaxcl/gyp,ttyangf/gyp,bulldy80/gyp_unofficial,springmeyer/gyp,MIPS/external-chromium_org-tools-gyp,IllusionRom-deprecated/android_platform_external_chromium_org_tools_gyp,svn2github/gyp,luvit/gyp,AOSPU/external_chromium_org_tools_gyp,amoikevin/gyp,yjhjstz/gyp,Phuehvk/gyp,bnoordhuis/gyp,MIPS/external-chromium_org-tools-gyp,bnq4ever/gypgoogle,bdarnell/gyp,Jack-Q/GYP-copy,enkripsi/gyp,lianliuwei/gyp,sport-monkey/GYP,alexcrichton/gyp,xin3liang/platform_external_chromium_org_tools_gyp,svn2github/kgyp,adblockplus/gyp,AWhetter/gyp,pyokagan/gyp,Phuehvk/gyp,bnq4ever/gypgoogle,Phuehvk/gyp,dougbeal/gyp,azunite/gyp_20150930,cchamberlain/gyp,clar/gyp,AOSPU/external_chromium_org_tools_gyp,alexcrichton/gyp,Chilledheart/gyp,xin3liang/platform_external_chromium_org_tools_gyp,yinquan529/platform-external-chromium_org-tools-gyp,android-ia/platform_external_chromium_org_tools_gyp,sanyaade-teachings/gyp,chromium/gyp,ttyangf/gyp,lianliuwei/gyp,okumura/gyp,azunite/gyp_20150930,erikge/watch_gyp,geekboxzone/lollipop_external_chromium_org_tools_gyp,channing/gyp,mgamer/gyp,azunite/gyp,channing/gyp,cchamberlain/gyp,clar/gyp,dougbeal/gyp,LazyCodingCat/gyp,turbulenz/gyp,brson/gyp,mgamer/gyp,okumura/gyp,sdklite/gyp,ttyangf/pdfium_gyp,Omegaphora/external_chromium_org_tools_gyp,MIPS/external-chromium_org-tools-gyp,bnq4ever/gypgoogle,tarc/gyp,azunite/gyp_20150930,springmeyer/gyp,AWhetter/gyp,ttyangf/pdfium_gyp,svn2github/kgyp,dougbeal/gyp,bnq4ever/gypgoogle,carlTLR/gyp,yjhjstz/gyp,chromium/gyp,enkripsi/gyp,chromium/gyp,Danath/gyp,lukeweber/gyp-override,android-ia/platform_external_chromium_org_tools_gyp,okumura/gyp,bnoordhuis/gyp,trafi/gyp,svn2github/gyp,luvit/gyp,adblockplus/gyp,mkrautz/gyp-libmumble,yangrongwei/gyp,bdarnell/gyp,trafi/gyp,mapbox/gyp,mapbox/gyp,mkrautz/gyp-libmumble,turbulenz/gyp,turbulenz/gyp,IllusionRom-deprecated/android_platform_external_chromium_org_tools_gyp,ryfx/gyp,brson/gyp,yangrongwei/gyp,mistydemeo/gyp,duanhjlt/gyp,okumura/gyp,clar/gyp,lukeweber/gyp-override,ttyangf/gyp,sport-monkey/GYP,bulldy80/gyp_unofficial,okwasi/gyp,bdarnell/gyp,tarc/gyp,channing/gyp,omasanori/gyp,erikge/watch_gyp,svn2github/gyp,mumble-voip/libmumble-gyp,Jack-Q/GYP-copy,LazyCodingCat/gyp,amoikevin/gyp,lukeweber/gyp-override,luvit/gyp,kevinchen3315/gyp-git,Phuehvk/gyp,ttyangf/pdfium_gyp,bulldy80/gyp_unofficial,saghul/gyn,Danath/gyp,azunite/gyp_20150930,sport-monkey/GYP,cysp/gyp,geekboxzone/lollipop_external_chromium_org_tools_gyp,lianliuwei/gyp,mumble-voip/libmumble-gyp,carlTLR/gyp,trafi/gyp,Jack-Q/GYP-copy,okwasi/gyp,IllusionRom-deprecated/android_platform_external_chromium_org_tools_gyp,turbulenz/gyp,bnoordhuis/gyp,bdarnell/gyp,xin3liang/platform_external_chromium_org_tools_gyp,saghul/gyn,bpsinc-native/src_tools_gyp,trafi/gyp,mistydemeo/gyp,pyokagan/gyp,mapbox/gyp,omasanori/gyp,mistydemeo/gyp,azunite/gyp,yjhjstz/gyp,openpeer/webrtc-gyp,LazyCodingCat/gyp,bnoordhuis/gyp,geekboxzone/lollipop_external_chromium_org_tools_gyp,kevinchen3315/gyp-git,cysp/gyp,openpeer/webrtc-gyp,tarc/gyp,cysp/gyp,bpsinc-native/src_tools_gyp,mumble-voip/libmumble-gyp,luvit/gyp,trafi/gyp,sanyaade-teachings/gyp,svn2github/kgyp,carlTLR/gyp,sloanyang/gyp,sdklite/gyp,openpeer/webrtc-gyp,svn2github/kgyp,azunite/gyp,mkrautz/gyp-libmumble,okwasi/gyp,mgamer/gyp,kevinchen3315/gyp-git,AWhetter/gyp,erikge/watch_gyp,chromium/gyp,ryfx/gyp,mkrautz/gyp-libmumble,bpsinc-native/src_tools_gyp,sloanyang/gyp,msc-/gyp,duanhjlt/gyp,adblockplus/gyp,pyokagan/gyp,springmeyer/gyp,pyokagan/gyp,saghul/gyn,erikge/watch_gyp,android-ia/platform_external_chromium_org_tools_gyp,Chilledheart/gyp,clar/gyp,Omegaphora/external_chromium_org_tools_gyp,amoikevin/gyp,adblockplus/gyp,ttyangf/gyp,LazyCodingCat/gyp,carlTLR/gyp,msc-/gyp,openpeer/webrtc-gyp,cysp/gyp,mapbox/gyp,lianliuwei/gyp,kevinchen3315/gyp-git,alexcrichton/gyp,ttyangf/pdfium_gyp,yangrongwei/gyp,omasanori/gyp,bulldy80/gyp_unofficial,sloanyang/gyp,cchamberlain/gyp,yjhjstz/gyp,chromium/gyp,pyokagan/gyp,sdklite/gyp,Danath/gyp,saghul/gyn,LazyCodingCat/gyp,sanyaade-teachings/gyp,msc-/gyp,Chilledheart/gyp,sport-monkey/GYP,Phuehvk/gyp,xin3liang/platform_external_chromium_org_tools_gyp,pandaxcl/gyp,svn2github/kgyp,sdklite/gyp,mgamer/gyp,bnoordhuis/gyp,ryfx/gyp,sanyaade-teachings/gyp,clar/gyp,lukeweber/gyp-override,pandaxcl/gyp,AWhetter/gyp,Chilledheart/gyp,amoikevin/gyp,AOSPU/external_chromium_org_tools_gyp,sanyaade-teachings/gyp,mgamer/gyp,Jack-Q/GYP-copy,mistydemeo/gyp,turbulenz/gyp,mumble-voip/libmumble-gyp,sdklite/gyp,amoikevin/gyp,erikge/watch_gyp,duanhjlt/gyp,cchamberlain/gyp,sport-monkey/GYP,sloanyang/gyp,yjhjstz/gyp,duanhjlt/gyp,brson/gyp,yinquan529/platform-external-chromium_org-tools-gyp,cysp/gyp,adblockplus/gyp,ryfx/gyp,azunite/gyp_20150930,saghul/gyn,dougbeal/gyp,Omegaphora/external_chromium_org_tools_gyp,okwasi/gyp,omasanori/gyp,alexcrichton/gyp,svn2github/gyp,msc-/gyp,Chilledheart/gyp,pandaxcl/gyp,cchamberlain/gyp,openpeer/webrtc-gyp,android-ia/platform_external_chromium_org_tools_gyp,Jack-Q/GYP-copy,bulldy80/gyp_unofficial,brson/gyp,tarc/gyp,azunite/gyp,Danath/gyp,ttyangf/pdfium_gyp,channing/gyp,enkripsi/gyp,bnq4ever/gypgoogle,yangrongwei/gyp,ttyangf/gyp,springmeyer/gyp,enkripsi/gyp,duanhjlt/gyp,tarc/gyp,svn2github/gyp,enkripsi/gyp,carlTLR/gyp,msc-/gyp,AWhetter/gyp,bpsinc-native/src_tools_gyp,yinquan529/platform-external-chromium_org-tools-gyp,dougbeal/gyp,pandaxcl/gyp,Omegaphora/external_chromium_org_tools_gyp,azunite/gyp,AOSPU/external_chromium_org_tools_gyp,geekboxzone/lollipop_external_chromium_org_tools_gyp,IllusionRom-deprecated/android_platform_external_chromium_org_tools_gyp,Danath/gyp