remove the rusti command

Closes #9818
Closes #9567
Closes #8924
Closes #8910
Closes #8392
Closes #7692
Closes #7499
Closes #7220
drop the linenoise library

Closes #5038
auto merge of #9897 : thestinger/rust/rusti, r=alexcrichton

Closes #9818
Closes #9567
Closes #8924
Closes #8910
Closes #8392
Closes #7692
Closes #7499
Closes #7220
Closes #5038