filters_mips_dsp_r2.c: disable unfilters
filters_mips_dsp_r2.c: disable unfilters

the output does not match the C-code.

Change-Id: Ie7b7387478a6b5c3f08691628ae00f059cf6d899

PKRoma/libwebp,zofuthan/libwebp,rxl194/libwebp,kalli123/webm.libwebp,jiehu5114/libwebp,kleopatra999/webm.libwebp,redengineer/libwebp,imazen/libwebp,webmproject/libwebp,ericmckean/webm.libwebp,iniwf/webm.libwebp,comoyo/gonzo-libwebp,Aexyn/libwebp,Suvarna1488/webm.libwebp,zofuthan/libwebp,ericmckean/webm.libwebp,reimaginemedia/webm.libwebp,ya7lelkom/libwebp,ttyangf/libwebp,abwiz0086/webm.libwebp,ericmckean/webm.libwebp,jacklicn/libwebp,yohunl/libwebp,abwiz0086/webm.libwebp,Maria1099/webm.libwebp,webmproject/libwebp,jacklicn/libwebp,kim42083/webm.libwebp,ttyangf/libwebp,abwiz0086/webm.libwebp,ya7lelkom/libwebp,imazen/libwebp,matanbs/webm.libwebp,kalli123/webm.libwebp,webmproject/libwebp,kalli123/webm.libwebp,comoyo/gonzo-libwebp,abwiz0086/webm.libwebp,kleopatra999/webm.libwebp,comoyo/gonzo-libwebp,abwiz0086/webm.libwebp,Acidburn0zzz/webm.libwebp,redengineer/libwebp,reimaginemedia/webm.libwebp,matanbs/webm.libwebp,comoyo/gonzo-libwebp,ttyangf/libwebp,jiehu5114/libwebp,Suvarna1488/webm.libwebp,kim42083/webm.libwebp,iniwf/webm.libwebp,kim42083/webm.libwebp,rxl194/libwebp,zofuthan/libwebp,kim42083/webm.libwebp,altogother/webm.libwebp,ericmckean/webm.libwebp,redengineer/libwebp,Acidburn0zzz/webm.libwebp,kalli123/webm.libwebp,ttyangf/libwebp,redengineer/libwebp,reimaginemedia/webm.libwebp,zofuthan/libwebp,ya7lelkom/libwebp,PKRoma/libwebp,comoyo/gonzo-libwebp,Aexyn/libwebp,comoyo/gonzo-libwebp,matanbs/webm.libwebp,imazen/libwebp,gshORTON/webm.libwebp,Acidburn0zzz/webm.libwebp,jacklicn/libwebp,webmproject/libwebp,zofuthan/libwebp,kleopatra999/webm.libwebp,Acidburn0zzz/webm.libwebp,matanbs/webm.libwebp,kim42083/webm.libwebp,kleopatra999/webm.libwebp,Maria1099/webm.libwebp,imazen/libwebp,yohunl/libwebp,webmproject/libwebp,Suvarna1488/webm.libwebp,ttyangf/libwebp,Aexyn/libwebp,comoyo/gonzo-libwebp,yohunl/libwebp,gshORTON/webm.libwebp,matanbs/webm.libwebp,rxl194/libwebp,ericmckean/webm.libwebp,altogother/webm.libwebp,altogother/webm.libwebp,yohunl/libwebp,rxl194/libwebp,reimaginemedia/webm.libwebp,jacklicn/libwebp,Aexyn/libwebp,ya7lelkom/libwebp,PKRoma/libwebp,PKRoma/libwebp,kalli123/webm.libwebp,kleopatra999/webm.libwebp,imazen/libwebp,Suvarna1488/webm.libwebp,iniwf/webm.libwebp,PKRoma/libwebp,gshORTON/webm.libwebp,Acidburn0zzz/webm.libwebp,altogother/webm.libwebp,jiehu5114/libwebp,jiehu5114/libwebp,redengineer/libwebp,iniwf/webm.libwebp,rxl194/libwebp,Aexyn/libwebp,reimaginemedia/webm.libwebp,Maria1099/webm.libwebp,jacklicn/libwebp,yohunl/libwebp,altogother/webm.libwebp,Maria1099/webm.libwebp,iniwf/webm.libwebp,PKRoma/libwebp,Suvarna1488/webm.libwebp,gshORTON/webm.libwebp,jiehu5114/libwebp,gshORTON/webm.libwebp,Maria1099/webm.libwebp,ya7lelkom/libwebp