Fix log message filters

When I converted the log message filters to using an ini file, I missed
that the ini file parser passes quotes through literally. So none of our
patterns were matching because the quotes are not present in the console
log.

Author: mpe

etc/filters.ini

@@ -1,17 +1,17 @@
 [patterns]
-v1='detected stall(s)? on CPU'
-v2='WARNING:.*\s(un)?lock(s|ing)?\s'
-v3='WARNING: CPU: \d+ PID: \d+ at '
+v1=detected stall(s)? on CPU
+v2=WARNING:.*\s(un)?lock(s|ing)?\s
+v3=WARNING: CPU: \d+ PID: \d+ at
 
 [strings]
-v1='Unable to handle kernel paging request for'
-v2='Kernel BUG at'
-v3='Warning!'
-v4='BUG:'
-v5='WARNING: chain_key collision'
-v6='WARNING: bad contention detected!'
-v7='WARNING: suspicious RCU usage'
+v1=Unable to handle kernel paging request for
+v2=Kernel BUG at
+v3=Warning!
+v4=BUG:
+v5=WARNING: chain_key collision
+v6=WARNING: bad contention detected!
+v7=WARNING: suspicious RCU usage
 
 [suppressions]
-v1='test_debug_virtual_init'
-v2='at drivers/misc/lkdtm/'
+v1=test_debug_virtual_init
+v2=at drivers/misc/lkdtm/