remove "require \'formula\' from jdk7"
remove "require \'formula\' from jdk7"

Closes #595.
Closes #596.

Signed-off-by: Shaun Jackman <b580dab3251a9622aba3803114310c23fdb42900@gmail.com>

Homebrew/linuxbrew,lvicentesanchez/linuxbrew,gnubila-france/linuxbrew,danabrand/linuxbrew,reelsense/linuxbrew,danabrand/linuxbrew,DoomHammer/linuxbrew,Linuxbrew/linuxbrew,gnubila-france/linuxbrew,Linuxbrew/linuxbrew,saketkc/linuxbrew,gnubila-france/linuxbrew,ebouaziz/linuxbrew,Angeldude/linuxbrew,sjackman/linuxbrew,danabrand/linuxbrew,sjackman/linuxbrew,DoomHammer/linuxbrew,drbenmorgan/linuxbrew,Linuxbrew/linuxbrew,saketkc/linuxbrew,sjackman/linuxbrew,lvicentesanchez/linuxbrew,Angeldude/linuxbrew,reelsense/linuxbrew,DoomHammer/linuxbrew,bukzor/linuxbrew,ebouaziz/linuxbrew,reelsense/linuxbrew,SuperNEMO-DBD/cadfaelbrew,davydden/linuxbrew,reelsense/linuxbrew,SuperNEMO-DBD/cadfaelbrew,Angeldude/linuxbrew,DoomHammer/linuxbrew,ebouaziz/linuxbrew,lvicentesanchez/linuxbrew,sjackman/linuxbrew,davydden/linuxbrew,Homebrew/linuxbrew,drbenmorgan/linuxbrew,danabrand/linuxbrew,drbenmorgan/linuxbrew,drbenmorgan/linuxbrew,Homebrew/linuxbrew,Homebrew/linuxbrew,bukzor/linuxbrew,Angeldude/linuxbrew,ebouaziz/linuxbrew,lvicentesanchez/linuxbrew,davydden/linuxbrew,davydden/linuxbrew,bukzor/linuxbrew,Linuxbrew/linuxbrew,SuperNEMO-DBD/cadfaelbrew,saketkc/linuxbrew,SuperNEMO-DBD/cadfaelbrew,gnubila-france/linuxbrew,bukzor/linuxbrew,saketkc/linuxbrew