Remove unused method

Signed-off-by: Kevin Ottens <kevin.ottens@nextcloud.com>

src/libsync/clientsideencryption.cpp

@@ -979,16 +979,6 @@ void ClientSideEncryption::slotRequestMnemonic()
     emit showMnemonic(_mnemonic);
 }
 
-bool ClientSideEncryption::hasPrivateKey() const
-{
-    return !_privateKey.isNull();
-}
-
-bool ClientSideEncryption::hasPublicKey() const
-{
-    return !_publicKey.isNull();
-}
-
 void ClientSideEncryption::generateKeyPair(const AccountPtr &account)
 {
     // AES/GCM/NoPadding,

src/libsync/clientsideencryption.h

@@ -74,8 +74,6 @@ public:
     void initialize(const AccountPtr &account);
 
 private:
-    bool hasPrivateKey() const;
-    bool hasPublicKey() const;
     void generateKeyPair(const AccountPtr &account);
     void generateCSR(const AccountPtr &account, EVP_PKEY *keyPair);
     void encryptPrivateKey(const AccountPtr &account);