Remove unused prototype.
Remove unused prototype.

beikezcs/yara,wxsBSD/yara,mgoffin/yara,0x0mar/yara,0x0mar/yara,mgoffin/yara,MeteorAdminz/yara,frbapolkosnik/yara,Security513/yara,0x0mar/yara,msuvajac/yara,beikezcs/yara,tdr130/yara,frbapolkosnik/yara,bmagistro/yara,pombredanne/yara,digideskio/yara,frbapolkosnik/yara,beikezcs/yara,rayyang2000/yara,jpypi/yara,MeteorAdminz/yara,cblichmann/yara,pombredanne/yara,binsrc/yara,binsrc/yara,smaudet/yara,wxsBSD/yara,pombredanne/yara,rednaga/yara,cblichmann/yara,digideskio/yara,0x0mar/yara,VirusTotal/yara,VirusTotal/yara,Security513/yara,hillu/yara,jpypi/yara,smaudet/yara,rednaga/yara,hillu/yara,jpypi/yara,tanium/yara,tanium/yara,MeteorAdminz/yara,smaudet/yara,hillu/yara,hillu/yara,VirusTotal/yara,jshufelt/yara,neatsun/yara,wxsBSD/yara,digideskio/yara,kallanreed/yara,bmagistro/yara,foreni-packages/yara,msuvajac/yara,foreni-packages/yara,mgoffin/yara,Security513/yara,jshufelt/yara,plusvic/yara,jshufelt/yara,kallanreed/yara,cblichmann/yara,mgoffin/yara,neatsun/yara,pombredanne/yara,wxsBSD/yara,binsrc/yara,jshufelt/yara,tdr130/yara,kallanreed/yara,tanium/yara,rayyang2000/yara,bmagistro/yara,smaudet/yara,cblichmann/yara,msuvajac/yara,plusvic/yara,plusvic/yara,binsrc/yara,cblichmann/yara,foreni-packages/yara,VirusTotal/yara,pombredanne/yara,rayyang2000/yara,plusvic/yara,tdr130/yara,frbapolkosnik/yara,VirusTotal/yara,wxsBSD/yara,rednaga/yara,plusvic/yara,neatsun/yara,hillu/yara,digideskio/yara