This old alias for in_hardirq() has been marked as deprecated since 2020; remove the stragglers. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://patch.msgid.link/20251024180654.1691095-1-willy@infradead.org