make std.range.package compile with -dip1000

[thewilsonator]

rebases #6396

[dlang-bot]

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[wilzbach]

Error is still the same:

std/range/package.d(5122): Error: scope variable `r1` assigned to non-scope parameter `_param_0` calling std.range.zip!(NonSliceableRandomAccess, NonSliceableRandomAccess).zip
std/range/package.d(5122): Error: scope variable `r2` assigned to non-scope parameter `_param_1` calling std.range.zip!(NonSliceableRandomAccess, NonSliceableRandomAccess).zip
std/range/package.d(5123):        while evaluating: `static assert(isRandomAccessRange!(typeof(__error)))`

[wilzbach]

No longer required.