Remove dead code from update_zmalloc_stat_alloc (#7589)
Remove dead code from update_zmalloc_stat_alloc (#7589)

this seems like leftover from before 6eb51bf
neomantra/redis,PKRoma/redis,soloestoy/redis,PKRoma/redis,PKRoma/redis,ofirluzon/redis,neomantra/redis,PKRoma/redis,yossigo/redis,soloestoy/redis,ctripcorp/redis,neomantra/redis,soloestoy/redis,oranagra/redis,ofirluzon/redis,yossigo/redis,oranagra/redis,oranagra/redis,antirez/redis,charsyam/redis,PKRoma/redis,ctripcorp/redis,charsyam/redis,charsyam/redis,charsyam/redis,ctripcorp/redis,yossigo/redis,soloestoy/redis,oranagra/redis,antirez/redis,antirez/redis,ofirluzon/redis,ofirluzon/redis,neomantra/redis,soloestoy/redis,yossigo/redis,oranagra/redis,ctripcorp/redis,yossigo/redis,charsyam/redis,ofirluzon/redis,neomantra/redis,antirez/redis