Get rid of `make copy`
Get rid of `make copy`

Auditors: alpert

xymostech/KaTeX,xymostech/KaTeX,gagern/KaTeX,frankandrobot/KaTeX,zhanghuiguoanlige/KaTeX,crepererum/KaTeX,xymostech/KaTeX,crepererum/KaTeX,mcanthony/KaTeX,spicyj/KaTeX,frankandrobot/KaTeX,Khan/KaTeX,mcanthony/KaTeX,franciscop/KaTeX,saschatimme/KaTeX,kevinbarabash/KaTeX,spicyj/KaTeX,JetStarBlues/KaTeX,twitwi/KaTeX,kwangkim/katex-npm-0.7.0-pre,gagern/KaTeX,saschatimme/KaTeX,zhanghuiguoanlige/KaTeX,frankandrobot/KaTeX,crepererum/KaTeX,mcanthony/KaTeX,gagern/KaTeX,Khan/KaTeX,kwangkim/KaTeX,kwangkim/KaTeX,JetStarBlues/KaTeX,zhanghuiguoanlige/KaTeX,azotova/KaTeX,azotova/KaTeX,saschatimme/KaTeX,spicyj/KaTeX,kwangkim/katex-npm-0.7.0-pre,mcanthony/KaTeX,frankandrobot/KaTeX,twitwi/KaTeX,kevinbarabash/KaTeX,zhanghuiguoanlige/KaTeX,zhanghuiguoanlige/KaTeX,saschatimme/KaTeX,xymostech/KaTeX,kwangkim/KaTeX,kwangkim/KaTeX,kevinbarabash/KaTeX,JetStarBlues/KaTeX,JetStarBlues/KaTeX,crepererum/KaTeX,twitwi/KaTeX,gagern/KaTeX,spicyj/KaTeX,Khan/KaTeX,kwangkim/katex-npm-0.7.0-pre,crepererum/KaTeX,twitwi/KaTeX,twitwi/KaTeX,franciscop/KaTeX,gagern/KaTeX,xymostech/KaTeX,saschatimme/KaTeX,franciscop/KaTeX,azotova/KaTeX,franciscop/KaTeX,spicyj/KaTeX,azotova/KaTeX,kwangkim/KaTeX,kwangkim/katex-npm-0.7.0-pre,mcanthony/KaTeX,franciscop/KaTeX,azotova/KaTeX,kevinbarabash/KaTeX,frankandrobot/KaTeX,kevinbarabash/KaTeX,JetStarBlues/KaTeX,kwangkim/katex-npm-0.7.0-pre