Remove unused methods in Parser.
Remove unused methods in Parser.

Summary:
Since we're now constructing the target graph much earlier
in the parsing process we don't need to work with raw rules
as much, and we removed all calls to the filtering methods
that did so in Parser.

Test Plan: CI

shs96c/buck,mnuessler/buck,darkforestzero/buck,k21/buck,OkBuilds/buck,Dominator008/buck,pwz3n0/buck,rmaz/buck,tgummerer/buck,daedric/buck,siddhartharay007/buck,Learn-Android-app/buck,Heart2009/buck,LegNeato/buck,pwz3n0/buck,facebook/buck,sdwilsh/buck,zhan-xiong/buck,hgl888/buck,lukw00/buck,zhuxiaohao/buck,clonetwin26/buck,daedric/buck,k21/buck,darkforestzero/buck,dushmis/buck,tgummerer/buck,shybovycha/buck,Addepar/buck,facebook/buck,grumpyjames/buck,romanoid/buck,neonichu/buck,Dominator008/buck,rowillia/buck,artiya4u/buck,nguyentruongtho/buck,rmaz/buck,rhencke/buck,nguyentruongtho/buck,marcinkwiatkowski/buck,brettwooldridge/buck,kageiit/buck,romanoid/buck,robbertvanginkel/buck,justinmuller/buck,grumpyjames/buck,illicitonion/buck,rhencke/buck,rmaz/buck,rmaz/buck,Learn-Android-app/buck,lukw00/buck,k21/buck,grumpyjames/buck,liuyang-li/buck,artiya4u/buck,MarkRunWu/buck,dushmis/buck,Learn-Android-app/buck,hgl888/buck,MarkRunWu/buck,hgl888/buck,robbertvanginkel/buck,rhencke/buck,pwz3n0/buck,mogers/buck,darkforestzero/buck,marcinkwiatkowski/buck,Addepar/buck,davido/buck,Addepar/buck,ilya-klyuchnikov/buck,raviagarwal7/buck,shybovycha/buck,facebook/buck,sdwilsh/buck,tgummerer/buck,k21/buck,darkforestzero/buck,JoelMarcey/buck,illicitonion/buck,dpursehouse/buck,Dominator008/buck,neonichu/buck,siddhartharay007/buck,clonetwin26/buck,JoelMarcey/buck,ilya-klyuchnikov/buck,dpursehouse/buck,1yvT0s/buck,rowillia/buck,tgummerer/buck,MarkRunWu/buck,shybovycha/buck,pwz3n0/buck,davido/buck,SeleniumHQ/buck,LegNeato/buck,rhencke/buck,Heart2009/buck,daedric/buck,marcinkwiatkowski/buck,marcinkwiatkowski/buck,artiya4u/buck,LegNeato/buck,robbertvanginkel/buck,mogers/buck,SeleniumHQ/buck,marcinkwiatkowski/buck,ilya-klyuchnikov/buck,1yvT0s/buck,darkforestzero/buck,neonichu/buck,vine/buck,clonetwin26/buck,shs96c/buck,zhan-xiong/buck,darkforestzero/buck,romanoid/buck,brettwooldridge/buck,clonetwin26/buck,Distrotech/buck,Addepar/buck,shs96c/buck,Learn-Android-app/buck,zhan-xiong/buck,marcinkwiatkowski/buck,1yvT0s/buck,Addepar/buck,marcinkwiatkowski/buck,Heart2009/buck,raviagarwal7/buck,bocon13/buck,Heart2009/buck,vschs007/buck,artiya4u/buck,liuyang-li/buck,robbertvanginkel/buck,davido/buck,hgl888/buck,SeleniumHQ/buck,SeleniumHQ/buck,Learn-Android-app/buck,shs96c/buck,robbertvanginkel/buck,brettwooldridge/buck,neonichu/buck,Addepar/buck,raviagarwal7/buck,janicduplessis/buck,dpursehouse/buck,illicitonion/buck,vschs007/buck,illicitonion/buck,daedric/buck,luiseduardohdbackup/buck,mogers/buck,artiya4u/buck,OkBuilds/buck,nguyentruongtho/buck,justinmuller/buck,JoelMarcey/buck,darkforestzero/buck,zhuxiaohao/buck,OkBuilds/buck,rmaz/buck,JoelMarcey/buck,mikekap/buck,robbertvanginkel/buck,vine/buck,SeleniumHQ/buck,Learn-Android-app/buck,LegNeato/buck,grumpyjames/buck,zhan-xiong/buck,dsyang/buck,Addepar/buck,zhuxiaohao/buck,clonetwin26/buck,luiseduardohdbackup/buck,ilya-klyuchnikov/buck,bocon13/buck,zhuxiaohao/buck,daedric/buck,marcinkwiatkowski/buck,MarkRunWu/buck,raviagarwal7/buck,rhencke/buck,hgl888/buck,illicitonion/buck,liuyang-li/buck,dsyang/buck,brettwooldridge/buck,facebook/buck,hgl888/buck,pwz3n0/buck,vschs007/buck,1yvT0s/buck,mikekap/buck,kageiit/buck,Distrotech/buck,SeleniumHQ/buck,justinmuller/buck,dsyang/buck,brettwooldridge/buck,dpursehouse/buck,vschs007/buck,ilya-klyuchnikov/buck,grumpyjames/buck,daedric/buck,k21/buck,justinmuller/buck,bocon13/buck,zpao/buck,pwz3n0/buck,JoelMarcey/buck,mogers/buck,bocon13/buck,Dominator008/buck,MarkRunWu/buck,janicduplessis/buck,illicitonion/buck,zhan-xiong/buck,lukw00/buck,davido/buck,bocon13/buck,tgummerer/buck,mikekap/buck,vschs007/buck,LegNeato/buck,neonichu/buck,janicduplessis/buck,Heart2009/buck,Dominator008/buck,stuhood/buck,rhencke/buck,stuhood/buck,hgl888/buck,zpao/buck,mikekap/buck,mogers/buck,artiya4u/buck,siddhartharay007/buck,OkBuilds/buck,mnuessler/buck,lukw00/buck,mogers/buck,Dominator008/buck,shybovycha/buck,Addepar/buck,siddhartharay007/buck,Heart2009/buck,clonetwin26/buck,romanoid/buck,vschs007/buck,MarkRunWu/buck,Dominator008/buck,vschs007/buck,illicitonion/buck,ilya-klyuchnikov/buck,1yvT0s/buck,rmaz/buck,romanoid/buck,JoelMarcey/buck,bocon13/buck,illicitonion/buck,romanoid/buck,rmaz/buck,vschs007/buck,hgl888/buck,zpao/buck,stuhood/buck,shs96c/buck,liuyang-li/buck,stuhood/buck,Distrotech/buck,liuyang-li/buck,JoelMarcey/buck,rhencke/buck,vine/buck,rowillia/buck,OkBuilds/buck,davido/buck,luiseduardohdbackup/buck,janicduplessis/buck,artiya4u/buck,dsyang/buck,vine/buck,davido/buck,davido/buck,dushmis/buck,marcinkwiatkowski/buck,bocon13/buck,nguyentruongtho/buck,tgummerer/buck,zhuxiaohao/buck,pwz3n0/buck,lukw00/buck,Dominator008/buck,mikekap/buck,rhencke/buck,zhan-xiong/buck,mnuessler/buck,1yvT0s/buck,JoelMarcey/buck,vschs007/buck,romanoid/buck,bocon13/buck,rmaz/buck,vine/buck,sdwilsh/buck,stuhood/buck,rowillia/buck,JoelMarcey/buck,daedric/buck,SeleniumHQ/buck,rmaz/buck,janicduplessis/buck,k21/buck,mogers/buck,tgummerer/buck,facebook/buck,LegNeato/buck,justinmuller/buck,luiseduardohdbackup/buck,pwz3n0/buck,zhuxiaohao/buck,Dominator008/buck,neonichu/buck,kageiit/buck,Learn-Android-app/buck,facebook/buck,ilya-klyuchnikov/buck,shybovycha/buck,raviagarwal7/buck,SeleniumHQ/buck,rmaz/buck,artiya4u/buck,clonetwin26/buck,daedric/buck,luiseduardohdbackup/buck,LegNeato/buck,justinmuller/buck,JoelMarcey/buck,rowillia/buck,MarkRunWu/buck,JoelMarcey/buck,Addepar/buck,lukw00/buck,brettwooldridge/buck,ilya-klyuchnikov/buck,tgummerer/buck,zhan-xiong/buck,Heart2009/buck,liuyang-li/buck,k21/buck,1yvT0s/buck,sdwilsh/buck,illicitonion/buck,romanoid/buck,shs96c/buck,daedric/buck,siddhartharay007/buck,darkforestzero/buck,clonetwin26/buck,shybovycha/buck,romanoid/buck,mnuessler/buck,Addepar/buck,janicduplessis/buck,nguyentruongtho/buck,robbertvanginkel/buck,luiseduardohdbackup/buck,raviagarwal7/buck,dsyang/buck,OkBuilds/buck,Dominator008/buck,k21/buck,dpursehouse/buck,mogers/buck,OkBuilds/buck,grumpyjames/buck,ilya-klyuchnikov/buck,ilya-klyuchnikov/buck,janicduplessis/buck,illicitonion/buck,vine/buck,illicitonion/buck,grumpyjames/buck,davido/buck,illicitonion/buck,dsyang/buck,mikekap/buck,SeleniumHQ/buck,justinmuller/buck,LegNeato/buck,siddhartharay007/buck,dushmis/buck,sdwilsh/buck,raviagarwal7/buck,shybovycha/buck,Learn-Android-app/buck,brettwooldridge/buck,raviagarwal7/buck,mikekap/buck,LegNeato/buck,robbertvanginkel/buck,dpursehouse/buck,k21/buck,zhuxiaohao/buck,lukw00/buck,hgl888/buck,shybovycha/buck,bocon13/buck,vschs007/buck,marcinkwiatkowski/buck,sdwilsh/buck,Distrotech/buck,dpursehouse/buck,rowillia/buck,darkforestzero/buck,shybovycha/buck,rmaz/buck,shs96c/buck,zhan-xiong/buck,grumpyjames/buck,liuyang-li/buck,luiseduardohdbackup/buck,zhan-xiong/buck,vine/buck,OkBuilds/buck,luiseduardohdbackup/buck,darkforestzero/buck,brettwooldridge/buck,mnuessler/buck,stuhood/buck,marcinkwiatkowski/buck,dsyang/buck,dsyang/buck,mnuessler/buck,sdwilsh/buck,vschs007/buck,k21/buck,neonichu/buck,rowillia/buck,dushmis/buck,vine/buck,Heart2009/buck,stuhood/buck,sdwilsh/buck,justinmuller/buck,bocon13/buck,darkforestzero/buck,k21/buck,sdwilsh/buck,justinmuller/buck,dushmis/buck,robbertvanginkel/buck,brettwooldridge/buck,dushmis/buck,sdwilsh/buck,raviagarwal7/buck,siddhartharay007/buck,vine/buck,luiseduardohdbackup/buck,mogers/buck,janicduplessis/buck,daedric/buck,daedric/buck,tgummerer/buck,OkBuilds/buck,clonetwin26/buck,stuhood/buck,Distrotech/buck,raviagarwal7/buck,zhuxiaohao/buck,Learn-Android-app/buck,romanoid/buck,liuyang-li/buck,brettwooldridge/buck,raviagarwal7/buck,zpao/buck,rmaz/buck,stuhood/buck,zhan-xiong/buck,pwz3n0/buck,davido/buck,LegNeato/buck,mikekap/buck,raviagarwal7/buck,kageiit/buck,liuyang-li/buck,kageiit/buck,siddhartharay007/buck,brettwooldridge/buck,SeleniumHQ/buck,robbertvanginkel/buck,ilya-klyuchnikov/buck,Distrotech/buck,nguyentruongtho/buck,mogers/buck,vine/buck,neonichu/buck,lukw00/buck,Distrotech/buck,mogers/buck,Addepar/buck,romanoid/buck,romanoid/buck,robbertvanginkel/buck,vine/buck,robbertvanginkel/buck,mikekap/buck,siddhartharay007/buck,Dominator008/buck,OkBuilds/buck,dsyang/buck,janicduplessis/buck,OkBuilds/buck,rhencke/buck,1yvT0s/buck,shs96c/buck,kageiit/buck,OkBuilds/buck,bocon13/buck,stuhood/buck,shs96c/buck,darkforestzero/buck,clonetwin26/buck,lukw00/buck,justinmuller/buck,daedric/buck,tgummerer/buck,rowillia/buck,davido/buck,mikekap/buck,clonetwin26/buck,justinmuller/buck,sdwilsh/buck,rmaz/buck,SeleniumHQ/buck,brettwooldridge/buck,rowillia/buck,dushmis/buck,MarkRunWu/buck,ilya-klyuchnikov/buck,artiya4u/buck,liuyang-li/buck,shybovycha/buck,illicitonion/buck,k21/buck,nguyentruongtho/buck,dsyang/buck,facebook/buck,grumpyjames/buck,Learn-Android-app/buck,mnuessler/buck,grumpyjames/buck,lukw00/buck,vschs007/buck,grumpyjames/buck,mikekap/buck,zhan-xiong/buck,justinmuller/buck,darkforestzero/buck,Distrotech/buck,pwz3n0/buck,zpao/buck,neonichu/buck,SeleniumHQ/buck,grumpyjames/buck,sdwilsh/buck,JoelMarcey/buck,vschs007/buck,bocon13/buck,Distrotech/buck,shs96c/buck,zpao/buck,tgummerer/buck,JoelMarcey/buck,rowillia/buck,k21/buck,artiya4u/buck,Learn-Android-app/buck,zhan-xiong/buck,mikekap/buck,mnuessler/buck,Heart2009/buck,dushmis/buck,LegNeato/buck,daedric/buck,Distrotech/buck,Addepar/buck,1yvT0s/buck,dpursehouse/buck,Addepar/buck,Dominator008/buck,zhuxiaohao/buck,kageiit/buck,justinmuller/buck,clonetwin26/buck,liuyang-li/buck,pwz3n0/buck,zhan-xiong/buck,marcinkwiatkowski/buck,davido/buck,Distrotech/buck,sdwilsh/buck,janicduplessis/buck,shybovycha/buck,davido/buck,shybovycha/buck,rowillia/buck,rowillia/buck,lukw00/buck,OkBuilds/buck,ilya-klyuchnikov/buck,dsyang/buck,janicduplessis/buck,brettwooldridge/buck,shs96c/buck,romanoid/buck,robbertvanginkel/buck,rhencke/buck,dsyang/buck,janicduplessis/buck,raviagarwal7/buck,stuhood/buck,mnuessler/buck,dushmis/buck,clonetwin26/buck,LegNeato/buck,shybovycha/buck,shs96c/buck,artiya4u/buck,shs96c/buck,rhencke/buck,dsyang/buck,marcinkwiatkowski/buck,davido/buck,zpao/buck,LegNeato/buck,SeleniumHQ/buck