Ported 'RedundantOrStatementIssue'.
Revert "Ported 'RedundantOrStatementIssue'."

This reverts commit 8f336cd2af6fe4001a4a31bb807f77490e36f806.
Ported 'RedundantOrStatementIssue'.
Fixed coding style.
Merge pull request #415 from TheCommieDuck/redundant-or

Ported 'RedundantOrStatementIssue'.