oeqa/runtime/cases/parselogs: remove "edgerouter" case

The "edgerouter" machine has been removed since
https://git.yoctoproject.org/poky/commit/?id=0c64d0e4317e3749f7f7ed9ecd5d08bbb0cedc9e

(From OE-Core rev: b82514c821add181e141d12b0c1723760b445fea)

Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oeqa/runtime/cases/parselogs.py

@@ -180,12 +180,6 @@ ignore_errors = {
         'Failed to load DMC firmware',
         'The driver is built-in, so to load the firmware you need to',
         ] + x86_common,
-    'edgerouter' : [
-        'not creating \'/sys/firmware/fdt\'',
-        'Failed to find cpu0 device node',
-        'Fatal server error:',
-        'Server terminated with error',
-        ] + common_errors,
     'beaglebone-yocto' : [
         'Direct firmware load for regulatory.db',
         'failed to load regulatory.db',