Fix qdoc warnings from references to removed APIs

Change-Id: Id41052be0878715eda4879fcd3171a30ddd5a9a7
Reviewed-by: Topi Reiniö <topi.reinio@qt.io>

src/corelib/io/qprocess.cpp

@@ -2149,7 +2149,6 @@ void QProcess::startCommand(const QString &command, OpenMode mode)
     \sa start()
     \sa startDetached(const QString &program, const QStringList &arguments,
                       const QString &workingDirectory, qint64 *pid)
-    \sa startDetached(const QString &command)
 */
 bool QProcess::startDetached(qint64 *pid)
 {

src/corelib/io/qresource.cpp

@@ -707,7 +707,7 @@ const uchar *QResource::data() const
     \note If the data was compressed, this function will decompress every time
     it is called. The result is not cached between calls.
 
-    \sa uncompressedSize(), size(), isCompressed(), isFile()
+    \sa uncompressedSize(), size(), compressionAlgorithm(), isFile()
 */
 
 QByteArray QResource::uncompressedData() const