Removed mirrored repeat
Removed mirrored repeat

Decided to remove mirrored repeat because it sometimes flipped one pixel too early and returned the wrong color.

sojimaxi/texgen.js,mrdoob/texgen.js,mcanthony/texgen.js,sojimaxi/texgen.js,sojimaxi/texgen.js,mrdoob/texgen.js,mrdoob/texgen.js,mcanthony/texgen.js,mcanthony/texgen.js