Reduce code size for fingerprint

[s-hadinger]

Description:

Reduce Flash size by 232 bytes for all Tasmota versions.
The default settings used a parser for fingerprint which is a pity for a very rarely used feature. Replaced with a simple memcpy.

Checklist:

• The pull request is done against the latest dev branch
• Only relevant files were touched
• Only one feature/fix was added per PR.
• The code change is tested and works on Tasmota core ESP8266 V.2.7.4.3
• The code change is tested and works on core ESP32 V.1.12.2
• I accept the CLA.

NOTE: The code change must pass CI tests. Your PR cannot be merged unless tests pass