refactor/internal (#1216)

* refactor: update import paths in gateway handlers

* refactor: remove obsolete devtools Makefile and README

* build: optimize build process for improved efficiency

* refactor: remove obsolete pkl files related to Matrix and Sonr network configurations

* refactor: move embed code to x/dwn/types

crypto/ecies/encrypt.go

@@ -1,13 +0,0 @@
-package ecies
-
-import eciesgo "github.com/ecies/go/v2"
-
-// Encrypt encrypts a plaintext using a public key
-func Encrypt(pub *PublicKey, plaintext []byte) ([]byte, error) {
-	return eciesgo.Encrypt(pub, plaintext)
-}
-
-// Decrypt decrypts a ciphertext using a private key
-func Decrypt(priv *PrivateKey, ciphertext []byte) ([]byte, error) {
-	return eciesgo.Decrypt(priv, ciphertext)
-}