Remove unused documentation code snippets

Modules:
- Core
- Gui
- Widgets
- Open(Widgets)
- PrintSupport
- Sql
- Network
- Concurrent
- Testlib

Pick-to: 6.5
Change-Id: I63e58c01bec4bd162486020f0085227fdaa83b18
Reviewed-by: Ahmad Samir <[email protected]>
Reviewed-by: Christian Ehrlicher <[email protected]>
Reviewed-by: Qt CI Bot <[email protected]>

1 files changed, 0 insertions, 7 deletions

diff --git a/src/gui/doc/snippets/image/image.cpp b/src/gui/doc/snippets/image/image.cpp
index b1c42d62da4..82703c5c0fe 100644
--- a/src/gui/doc/snippets/image/image.cpp
+++ b/src/gui/doc/snippets/image/image.cpp
@@ -25,13 +25,6 @@ buffer.open(QIODevice::WriteOnly);
 pixmap.save(&buffer, "PNG"); // writes pixmap into bytes in PNG format
 //! [1]
 
-
-//! [2]
-QPixmap alpha("image-with-alpha.png");
-QPixmap alphacopy = alpha;
-alphacopy.setMask(alphacopy.mask());
-//! [2]
-
 } // wrapper1
 
 } // image