remove dead SK_SUPPORT_LEGACY_N32_NAME code
remove dead SK_SUPPORT_LEGACY_N32_NAME code

BUG=skia:
TBR=

Review URL: https://codereview.chromium.org/818903004

shahrzadmn/skia,rubenvb/skia,MonkeyZZZZ/platform_external_skia,TeamTwisted/external_skia,UBERMALLOW/external_skia,amyvmiwei/skia,YUPlayGodDev/platform_external_skia,w3nd1go/android_external_skia,timduru/platform-external-skia,nfxosp/platform_external_skia,YUPlayGodDev/platform_external_skia,noselhq/skia,OneRom/external_skia,MinimalOS-AOSP/platform_external_skia,aosp-mirror/platform_external_skia,tmpvar/skia.cc,MonkeyZZZZ/platform_external_skia,AOSPB/external_skia,ominux/skia,DiamondLovesYou/skia-sys,Jichao/skia,HalCanary/skia-hc,nvoron23/skia,MarshedOut/android_external_skia,MinimalOS-AOSP/platform_external_skia,invisiblek/android_external_skia,HalCanary/skia-hc,AOSP-YU/platform_external_skia,qrealka/skia-hc,DiamondLovesYou/skia-sys,Infinitive-OS/platform_external_skia,DiamondLovesYou/skia-sys,Jichao/skia,rubenvb/skia,rubenvb/skia,ominux/skia,pcwalton/skia,OneRom/external_skia,todotodoo/skia,UBERMALLOW/external_skia,OneRom/external_skia,vanish87/skia,google/skia,BrokenROM/external_skia,HalCanary/skia-hc,scroggo/skia,MonkeyZZZZ/platform_external_skia,nvoron23/skia,BrokenROM/external_skia,OneRom/external_skia,UBERMALLOW/external_skia,noselhq/skia,jtg-gg/skia,OneRom/external_skia,HalCanary/skia-hc,rubenvb/skia,scroggo/skia,geekboxzone/mmallow_external_skia,nvoron23/skia,noselhq/skia,TeamExodus/external_skia,qrealka/skia-hc,YUPlayGodDev/platform_external_skia,vanish87/skia,AOSPB/external_skia,geekboxzone/mmallow_external_skia,invisiblek/android_external_skia,google/skia,shahrzadmn/skia,MonkeyZZZZ/platform_external_skia,tmpvar/skia.cc,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,pcwalton/skia,timduru/platform-external-skia,UBERMALLOW/external_skia,UBERMALLOW/external_skia,AOSP-YU/platform_external_skia,AOSP-YU/platform_external_skia,shahrzadmn/skia,ominux/skia,w3nd1go/android_external_skia,Jichao/skia,Jichao/skia,Igalia/skia,amyvmiwei/skia,amyvmiwei/skia,Hikari-no-Tenshi/android_external_skia,BrokenROM/external_skia,Igalia/skia,Infinitive-OS/platform_external_skia,OneRom/external_skia,Jichao/skia,geekboxzone/mmallow_external_skia,nfxosp/platform_external_skia,samuelig/skia,vanish87/skia,noselhq/skia,TeamTwisted/external_skia,shahrzadmn/skia,tmpvar/skia.cc,TeamTwisted/external_skia,MarshedOut/android_external_skia,boulzordev/android_external_skia,TeamTwisted/external_skia,ominux/skia,Jichao/skia,w3nd1go/android_external_skia,samuelig/skia,MonkeyZZZZ/platform_external_skia,AOSPB/external_skia,TeamTwisted/external_skia,tmpvar/skia.cc,scroggo/skia,HalCanary/skia-hc,shahrzadmn/skia,Infinitive-OS/platform_external_skia,YUPlayGodDev/platform_external_skia,MonkeyZZZZ/platform_external_skia,samuelig/skia,todotodoo/skia,amyvmiwei/skia,geekboxzone/mmallow_external_skia,qrealka/skia-hc,timduru/platform-external-skia,google/skia,MarshedOut/android_external_skia,spezi77/android_external_skia,noselhq/skia,qrealka/skia-hc,UBERMALLOW/external_skia,jtg-gg/skia,pcwalton/skia,Infinitive-OS/platform_external_skia,invisiblek/android_external_skia,DiamondLovesYou/skia-sys,PAC-ROM/android_external_skia,vanish87/skia,scroggo/skia,PAC-ROM/android_external_skia,MarshedOut/android_external_skia,MarshedOut/android_external_skia,vanish87/skia,Hikari-no-Tenshi/android_external_skia,pcwalton/skia,rubenvb/skia,google/skia,amyvmiwei/skia,AOSPB/external_skia,AOSP-YU/platform_external_skia,TeamExodus/external_skia,UBERMALLOW/external_skia,todotodoo/skia,MinimalOS-AOSP/platform_external_skia,nvoron23/skia,Hikari-no-Tenshi/android_external_skia,spezi77/android_external_skia,UBERMALLOW/external_skia,ominux/skia,qrealka/skia-hc,scroggo/skia,TeamExodus/external_skia,TeamExodus/external_skia,AOSP-YU/platform_external_skia,nfxosp/platform_external_skia,MonkeyZZZZ/platform_external_skia,nfxosp/platform_external_skia,nvoron23/skia,TeamExodus/external_skia,Hikari-no-Tenshi/android_external_skia,MarshedOut/android_external_skia,geekboxzone/mmallow_external_skia,geekboxzone/mmallow_external_skia,aosp-mirror/platform_external_skia,timduru/platform-external-skia,PAC-ROM/android_external_skia,HalCanary/skia-hc,Jichao/skia,AOSP-YU/platform_external_skia,nvoron23/skia,geekboxzone/mmallow_external_skia,PAC-ROM/android_external_skia,samuelig/skia,invisiblek/android_external_skia,ominux/skia,Infinitive-OS/platform_external_skia,TeamTwisted/external_skia,w3nd1go/android_external_skia,jtg-gg/skia,aosp-mirror/platform_external_skia,google/skia,VRToxin-AOSP/android_external_skia,AOSPB/external_skia,YUPlayGodDev/platform_external_skia,rubenvb/skia,AOSP-YU/platform_external_skia,todotodoo/skia,samuelig/skia,MinimalOS-AOSP/platform_external_skia,nfxosp/platform_external_skia,Jichao/skia,qrealka/skia-hc,TeamExodus/external_skia,todotodoo/skia,DiamondLovesYou/skia-sys,todotodoo/skia,pcwalton/skia,Igalia/skia,shahrzadmn/skia,MinimalOS-AOSP/platform_external_skia,noselhq/skia,todotodoo/skia,google/skia,vanish87/skia,invisiblek/android_external_skia,invisiblek/android_external_skia,UBERMALLOW/external_skia,Infinitive-OS/platform_external_skia,samuelig/skia,noselhq/skia,nfxosp/platform_external_skia,VRToxin-AOSP/android_external_skia,google/skia,nfxosp/platform_external_skia,jtg-gg/skia,boulzordev/android_external_skia,OneRom/external_skia,BrokenROM/external_skia,boulzordev/android_external_skia,tmpvar/skia.cc,DiamondLovesYou/skia-sys,YUPlayGodDev/platform_external_skia,OneRom/external_skia,spezi77/android_external_skia,nfxosp/platform_external_skia,MarshedOut/android_external_skia,BrokenROM/external_skia,ominux/skia,invisiblek/android_external_skia,todotodoo/skia,MarshedOut/android_external_skia,Infinitive-OS/platform_external_skia,boulzordev/android_external_skia,geekboxzone/mmallow_external_skia,AOSPB/external_skia,google/skia,VRToxin-AOSP/android_external_skia,AOSP-YU/platform_external_skia,AOSPB/external_skia,Igalia/skia,MinimalOS-AOSP/platform_external_skia,MonkeyZZZZ/platform_external_skia,AOSPB/external_skia,tmpvar/skia.cc,Jichao/skia,invisiblek/android_external_skia,timduru/platform-external-skia,AOSPB/external_skia,jtg-gg/skia,spezi77/android_external_skia,nvoron23/skia,TeamExodus/external_skia,scroggo/skia,w3nd1go/android_external_skia,VRToxin-AOSP/android_external_skia,PAC-ROM/android_external_skia,Igalia/skia,VRToxin-AOSP/android_external_skia,Hikari-no-Tenshi/android_external_skia,aosp-mirror/platform_external_skia,amyvmiwei/skia,BrokenROM/external_skia,Hikari-no-Tenshi/android_external_skia,boulzordev/android_external_skia,pcwalton/skia,timduru/platform-external-skia,nvoron23/skia,scroggo/skia,timduru/platform-external-skia,rubenvb/skia,pcwalton/skia,Hikari-no-Tenshi/android_external_skia,VRToxin-AOSP/android_external_skia,noselhq/skia,VRToxin-AOSP/android_external_skia,HalCanary/skia-hc,amyvmiwei/skia,google/skia,MinimalOS-AOSP/platform_external_skia,aosp-mirror/platform_external_skia,scroggo/skia,AOSP-YU/platform_external_skia,shahrzadmn/skia,nfxosp/platform_external_skia,w3nd1go/android_external_skia,aosp-mirror/platform_external_skia,noselhq/skia,w3nd1go/android_external_skia,pcwalton/skia,BrokenROM/external_skia,vanish87/skia,shahrzadmn/skia,PAC-ROM/android_external_skia,MinimalOS-AOSP/platform_external_skia,Infinitive-OS/platform_external_skia,Igalia/skia,jtg-gg/skia,spezi77/android_external_skia,boulzordev/android_external_skia,w3nd1go/android_external_skia,HalCanary/skia-hc,TeamExodus/external_skia,samuelig/skia,todotodoo/skia,nvoron23/skia,Infinitive-OS/platform_external_skia,DiamondLovesYou/skia-sys,Igalia/skia,MinimalOS-AOSP/platform_external_skia,Hikari-no-Tenshi/android_external_skia,HalCanary/skia-hc,geekboxzone/mmallow_external_skia,google/skia,ominux/skia,spezi77/android_external_skia,Igalia/skia,samuelig/skia,ominux/skia,rubenvb/skia,OneRom/external_skia,PAC-ROM/android_external_skia,TeamExodus/external_skia,qrealka/skia-hc,TeamTwisted/external_skia,MonkeyZZZZ/platform_external_skia,vanish87/skia,MarshedOut/android_external_skia,tmpvar/skia.cc,TeamTwisted/external_skia,tmpvar/skia.cc,BrokenROM/external_skia,PAC-ROM/android_external_skia,YUPlayGodDev/platform_external_skia,amyvmiwei/skia,boulzordev/android_external_skia,tmpvar/skia.cc,aosp-mirror/platform_external_skia,rubenvb/skia,aosp-mirror/platform_external_skia,YUPlayGodDev/platform_external_skia,jtg-gg/skia,VRToxin-AOSP/android_external_skia,pcwalton/skia,shahrzadmn/skia,rubenvb/skia,vanish87/skia,boulzordev/android_external_skia,TeamTwisted/external_skia,boulzordev/android_external_skia,YUPlayGodDev/platform_external_skia,qrealka/skia-hc,w3nd1go/android_external_skia,HalCanary/skia-hc,PAC-ROM/android_external_skia,VRToxin-AOSP/android_external_skia