[LyX/master] Delete obsolete comment: We no longer support Qt < 4.4.

[Richard Heck]

commit 74809e53a7b849df42f29adc7cfc6478232bf3f0
Author: Richard Heck <rgh...@lyx.org>
Date:   Sun Jul 10 01:43:56 2016 -0400

    Delete obsolete comment: We no longer support Qt < 4.4.
---
 src/frontends/qt4/GuiView.cpp |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/src/frontends/qt4/GuiView.cpp b/src/frontends/qt4/GuiView.cpp
index 429def5..b94625b 100644
--- a/src/frontends/qt4/GuiView.cpp
+++ b/src/frontends/qt4/GuiView.cpp
@@ -3445,7 +3445,6 @@ bool GuiView::GuiViewPrivate::asyncBufferProcessing(
 #else
        Buffer::ExportStatus status;
        if (syncFunc) {
-               // TODO check here if it breaks exporting with Qt < 4.4
                status = (used_buffer->*syncFunc)(format, true);
        } else if (previewFunc) {
                status = (used_buffer->*previewFunc)(format);