Remove bug 9578 workaround

Because the compiler bug [was fixed](https://github.com/D-Programming-Language/dmd/pull/2330) recently.

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Revert "Merge pull request #1178 from denis-sh/add-Issue-9578-workaround-to-`std.algorithm.all`"

This reverts commit 8dbfc1a7382792e039c8f1d7f5f5232279dead04, reversing
changes made to 93c724f2a36a798985dc1d82b050899455c8de4c.