Update config.h
Warning for ECJPAKE_C was removed from config.h.
*
* Enable the elliptic curve J-PAKE library.
*
- * \warning This is currently experimental. EC J-PAKE support is based on the
- * Thread v1.0.0 specification; incompatible changes to the specification
- * might still happen.
- *
* Module: library/ecjpake.c
* Caller:
*
