So far, all versions of Content Egg have the same trick and you can do this for future versions. If in any future update this does not work, just ring a bell to take a look at such version.
I confirmed this already in version 5.4.0. You will need to do 5 modifications in 2 files (2 in one file and 3 in the other)
STEP #1
FILE: " content-egg \ application \ admin \ LicConfig.php "
LINE: #76
FIND CODE: " public function licFormat($value)
{ "
ACTION: Add " RETURN TRUE; " right after the opening bracket
EXAMPLE: " public function licFormat($value)
{ RETURN TRUE; "
STEP #2
FILE: SAME FILE AS STEP #1
LINE: #85
FIND CODE: " public function activatingLicense($value)
{ "
ACTION: Add " RETURN TRUE; " right after the opening bracket
EXAMPLE: " public function activatingLicense($value)
{ RETURN TRUE "
STEP #3
FILE: SAME FILE AS STEP #1
LINE: #105
FIND CODE: " if (isset($_POST['cmd']) && $_POST['cmd'] == 'lic_reset')
{ "
ACTION: Add " RETURN; " right after the opening bracket
EXAMPLE: " if (isset($_POST['cmd']) && $_POST['cmd'] == 'lic_reset')
{ RETURN; "
STEP #4
FILE: " content-egg \ application \ admin \ EnvatoConfig.php "
LINE: #84
FIND CODE: " public function activatingLicense($value)
{ "
ACTION: Add " RETURN TRUE; " right after the opening bracket
EXAMPLE: " public function activatingLicense($value)
{ RETURN TRUE; "
STEP #5
FILE: SAME FILE OF STEP #4
LINE: #111
FIND CODE: " public function envatoFlag()
{ "
ACTION: Add " RETURN FALSE; " right after the opening bracket
EXAMPLE: " public function envatoFlag()
{ RETURN FALSE; "