simplify gen_post() a tiny bit

freakpos.py

@@ -19,11 +19,10 @@ def load_static():
 def gen_post(messages, labels):
 	message = random.choice(messages)
 	label = random.choice(labels)
-	if message.startswith('{}'):
+	message = message.format(label)
 	# believe me, there isn't already a string method that does this.
 	# not even .capitalize().
-		label = label[0].upper() + label[1:]
-	return message.format(label)
+	return message[0].upper() + message[1:]
 
 async def main():
 	config = load_config()