QLockFile: remove unneeded tryLock_impl middle-man

It's perfectly ok to de-inline a function, even an exported one, so
remove the tryLock_impl() middle-man and pull the Qt 7 pre-programming
into the here and now.

Amends 5cea5fc80b9e1b19d620ec6be1acd5cdbd220971.

Pick-to: 6.6
Change-Id: I7e9626a91d8ebd64e02c3784c74621950da669fb
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Ahmad Samir <a.samirh78@gmail.com>

1 files changed, 1 insertions, 5 deletions

diff --git a/src/corelib/io/qlockfile.cpp b/src/corelib/io/qlockfile.cpp
index c90d2886c2..0eb6acb694 100644
--- a/src/corelib/io/qlockfile.cpp
+++ b/src/corelib/io/qlockfile.cpp
@@ -257,7 +257,7 @@ bool QLockFile::tryLock(int timeout)
     return tryLock(std::chrono::milliseconds{ timeout });
 }
 
-/*! \fn bool QLockFile::tryLock(std::chrono::milliseconds timeout)
+/*!
     \overload
     \since 6.2
 
@@ -275,11 +275,7 @@ bool QLockFile::tryLock(int timeout)
 
     \sa lock(), unlock()
 */
-#if QT_VERSION >= QT_VERSION_CHECK(7, 0, 0)
 bool QLockFile::tryLock(std::chrono::milliseconds timeout)
-#else
-bool QLockFile::tryLock_impl(std::chrono::milliseconds timeout)
-#endif
 {
     using namespace std::chrono_literals;
     using Msec = std::chrono::milliseconds;