remove log level setting for Golioth Firmware SDK

Remove log level setting which limited logs to ERR only. This was a
workaround that is no longer needed and is preventing useful logs like OTA
manifest and block download logs.

Signed-off-by: Mike Szczys <[email protected]>

Author: szczys

prj.conf

@@ -12,10 +12,6 @@ CONFIG_GOLIOTH_RPC=y
 CONFIG_GOLIOTH_SETTINGS=y
 CONFIG_GOLIOTH_STREAM=y
 
-# Prevent a "loop of doom" issue on marginal/flaky LTE connections causing
-# repeated "Resending request" warning log messages to be sent.
-CONFIG_GOLIOTH_LOG_LEVEL_ERR=y
-
 # Enable common sample library
 CONFIG_GOLIOTH_SAMPLE_COMMON=y