cryptography is in requirements.txt; we dont need to check for it

modules/fediverse/__init__.py

@@ -27,9 +27,6 @@ class Module(ModuleManager.BaseModule):
                 raise ValueError("`tls-key` not provided in bot config")
             if not "tls-certificate" in self.bot.config:
                 raise ValueError("`tls-certificate` not provided in bot config")
-            if not ap_security.has_crypto:
-                raise ValueError("cyprography library is not installed "
-                    "(https://pypi.org/project/cryptography/)")
 
             server_username, instance = ap_utils.split_username(server_username)
             self.server = ap_server.Server(self.bot, self.exports,

modules/fediverse/ap_security.py

@@ -1,6 +1,5 @@
 import base64, typing
 
-try:
 from cryptography import x509
 from cryptography.hazmat.primitives import hashes, serialization
 from cryptography.hazmat.primitives.asymmetric import padding, rsa
@@ -9,10 +8,6 @@ try:
 from cryptography.hazmat.primitives.serialization import Encoding
 from cryptography.hazmat.primitives.serialization import PublicFormat
 
-    has_crypto = True
-except ModuleNotFoundError:
-    has_crypto = False
-
 SIGNATURE_FORMAT = (
     "keyId=\"%s\",headers=\"%s\",signature=\"%s\",algorithm=\"rsa-sha256\"")