Revert "main: Add artificial delay before starting daemon"

This reverts commit 5468452f7a as
the problem was root-caused and fixed in the upstream kernel.

Please see README for the fix' details.

Closes: #116

README.md

@@ -89,16 +89,14 @@ If your device does not contain a compass, you can run tests with:
 Known problems
 --------------
 
-Every Linux kernel from 4.3 up to the latest versions (4.12-rc3 at the time of writing) have a bug that
-make iio-sensor-proxy fail to see any events coming from sensors until the sensor is unplugged and replugged
-or suspended and resumed.
+Every Linux kernel from 4.3 up to version 4.12 had a bug that made
+made iio-sensor-proxy fail to see any events coming from sensors until the
+sensor was power-cycled (unplugged and replugged, or suspended and resumed).
 
-A work-around for this problem was added in [this commit](https://github.com/hadess/iio-sensor-proxy/commit/5468452f7a72566d2e6ddc44f9396d3d088fa9fb)
-to minimise the impact of this kernel bug. The bug has been reported but still not root-caused. It's
-a race condition and hard to "not reproduce" with certainty, meaning a number of possible of unaffected
-kernels work because of different timings.
-
-See also [this linux-iio thread](https://www.spinics.net/lists/linux-iio/msg29983.html).
+The bug was finally fixed in [this commit](https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git/commit/?h=fixes-togreg&id=eafad73ed3851707fa6e3124a255fc049ff9545d)
+in the upstream kernel and backported to stable releases. If you experience
+unresponsive sensors, ask your distributor to make sure this patch was
+applied to the version you're using.
 
 References
 ----------

src/iio-sensor-proxy.c

@@ -795,8 +795,6 @@ int main (int argc, char **argv)
 	SensorData *data;
 	int ret = 0;
 
-	g_usleep (G_USEC_PER_SEC * 3);
-
 	data = g_new0 (SensorData, 1);
 	data->previous_orientation = ORIENTATION_UNDEFINED;
 	data->uses_lux = TRUE;