Remove support for DPL_USE_OLD_STYLE_* environment values in RELEASE build.

Remove support for DPL_USE_OLD_STYLE_* environment values in RELEASE build.

This environment values will be supported in DEBUG build only:
 * DPL_USE_OLD_STYLE_LOGS
 * DPL_USE_OLD_STYLE_PEDANTIC_LOGS
 * DPL_USE_OLD_STYLE_LOGS_MASK

This commit turn off all logs except Error logs in RELEASE build.

[Issue#]   SSDWSSP-447
[Problem]  Security-server generates too many logs in RELEASE build.
           Debug logs may be turn on by environment values.
[Solution] Remove support for environment values.

[Verification] Successful build.

Change-Id: I557a69c007e4d916b2b2ac2f92e21572a9fb9f37