[utilities/krusader] app: Remove no longer used compat helper macro QRESOURCE_ISCOMPRESSED

Git commit 8d472aec0f8cc650dbe1f6ed7da828f3fcadfbbf by Toni Asensi Esteve, on behalf of Friedrich W. H. Kossebau.
Committed on 19/07/2026 at 23:02.
Pushed by asensi into branch 'master'.

Remove no longer used compat helper macro QRESOURCE_ISCOMPRESSED

M  +0    -14   app/compat.h

https://invent.kde.org/utilities/krusader/-/commit/8d472aec0f8cc650dbe1f6ed7da828f3fcadfbbf

diff --git a/app/compat.h b/app/compat.h
index 617df803f..da01d07b4 100644
--- a/app/compat.h
+++ b/app/compat.h
@@ -7,20 +7,6 @@
 #ifndef _COMPAT_H_
 #define _COMPAT_H_
 
-/**
- * QResource::isCompressed() was made obsoleted in QT 5.15 in
- * favor of QResource::Compression QResource::compressionAlgorithm()
- *
- * https://doc.qt.io/qt-5.15/qresource-obsolete.html#isCompressed
- *
- * This can be removed when the qt minimum version required will be >= 5.15
- */
-#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
-#define QRESOURCE_ISCOMPRESSED(A) ((A).compressionAlgorithm() != QResource::NoCompression)
-#else
-#define QRESOURCE_ISCOMPRESSED(A) (A).isCompressed()
-#endif
-
 /**
  * QString::split(QChar sep, QString::SplitBehavior behavior, Qt::CaseSensitivity cs = Qt::CaseSensitive)
  * was made obsoleted in QT 5.15 in favor of the namespaced Qt::endl