fixup! fixup! docs: Update docs for static context

Author: real-or-random

include/secp256k1.h

@@ -826,11 +826,6 @@ SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_pubkey_tweak_mul(
  * that it does not affect function results, but shields against attacks which
  * rely on any input-dependent behaviour.
  *
- * This function has currently an effect only on contexts initialized for signing
- * because randomization is currently used only for signing. However, this is not
- * guaranteed and may change in the future. It is safe to call this function on
- * contexts not initialized for signing; then it will have no effect and return 1.
- *
  * It is highly recommended to call this function after secp256k1_context_create or
  * secp256k1_context_clone (and secp256k1_context_preallocated_create or
  * secp256k1_context_clone, resp.), and you may call this repeatedly afterwards.