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 <a.samirh78@gmail.com>
Reviewed-by: Christian Ehrlicher <ch.ehrlicher@gmx.de>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>

1 files changed, 0 insertions, 24 deletions

diff --git a/src/corelib/doc/snippets/code/src_corelib_thread_qmutexpool.cpp b/src/corelib/doc/snippets/code/src_corelib_thread_qmutexpool.cpp
deleted file mode 100644
index 1368559b24..0000000000
--- a/src/corelib/doc/snippets/code/src_corelib_thread_qmutexpool.cpp
+++ /dev/null
@@ -1,24 +0,0 @@
-// Copyright (C) 2016 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
-
-//! [0]
-class Number {
-public:
-    Number(double n) : num (n) { }
-
-    void setNumber(double n) { num = n; }
-    double number() const { return num; }
-
-private:
-    double num;
-};
-//! [0]
-
-
-//! [1]
-void calcSquare(Number *num)
-{
-    QMutexLocker locker(mutexpool.get(num));
-    num.setNumber(num.number() * num.number());
-}
-//! [1]