bitbake: toaster: fix test_toaster_tables

Removed unneeded code as it causes the following error in Python 3:
    TypeError: expected bytes, bytearray or buffer compatible object

(Bitbake rev: 1626e986820da626c19aa8c664155a2cb1db8fd9)

Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/toaster/toastergui/tests.py

@@ -382,12 +382,6 @@ class ViewTests(TestCase):
             else:
                 ret = BeautifulSoup(td).text
 
-            # We change the td into ascii as a way to remove characters
-            # such as \xa0 (non break space) which mess with the ordering
-            # comparisons
-            ret.strip().encode('ascii',
-                               errors='replace').replace('?', ' ')
-            # Case where the td is empty
             if len(ret):
                 return "0"
             else: