man: move pageflip-timeout from weston.ini(5) to weston-drm(7)

This option is used only with the DRM-backend. Options in weston.ini(5)
should be either generic or for backends that do not have their own man
page yet.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>

man/weston-drm.man

@@ -51,6 +51,11 @@ sets the GBM format used for the framebuffer for the GBM backend. Can be
 .B xrgb2101010,
 .B rgb565.
 By default, xrgb8888 is used.
+.TP
+\fBpageflip-timeout\fR=\fImilliseconds\fR
+sets Weston's pageflip timeout in milliseconds.  This sets a timer to exit
+gracefully with a log message and an exit code of 1 in case the DRM driver is
+non-responsive.  Setting it to 0 disables this feature.
 
 .SS Section output
 .TP

man/weston.ini.man

@@ -167,11 +167,6 @@ set to 300 seconds.
 .BI "require-input=" true
 require an input device for launch
 .TP 7
-.BI "pageflip-timeout="milliseconds
-sets Weston's pageflip timeout in milliseconds.  This sets a timer to exit
-gracefully with a log message and an exit code of 1 in case the DRM driver is
-non-responsive.  Setting it to 0 disables this feature.
-.TP 7
 .BI "wait-for-debugger=" true
 Raises SIGSTOP before initializing the compositor. This allows the user to
 attach with a debugger and continue execution by sending SIGCONT. This is