Utils: Move meta char policy handling from FilePath to ConsoleProcess

Currently the only place that's using it and the scope is much smaller.

Change-Id: I1a43d14f0e2c69a16f76e6f83b82436bbeeac1c9
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/libs/utils/fileutils.cpp

@@ -86,9 +86,8 @@ CommandLine::CommandLine(const QString &exe, const QStringList &args)
     : CommandLine(FilePath::fromString(exe), args)
 {}
 
-CommandLine::CommandLine(const FilePath &exe, const QStringList &args, MetaCharMode metaCharMode)
+CommandLine::CommandLine(const FilePath &exe, const QStringList &args)
     : m_executable(exe)
-    , m_metaCharMode(metaCharMode)
 {
     addArgs(args);
 }