remove Seed & Keys subtab in left panel

LeftPanel.qml

@@ -65,7 +65,6 @@ Rectangle {
     signal addressBookClicked()
     signal miningClicked()
     signal signClicked()
-    signal keysClicked()
     signal merchantClicked()
     signal accountClicked()
 
@@ -82,7 +81,6 @@ Rectangle {
         else if(pos === "Sign") menuColumn.previousButton = signButton
         else if(pos === "Settings") menuColumn.previousButton = settingsButton
         else if(pos === "Advanced") menuColumn.previousButton = advancedButton
-        else if(pos === "Keys") menuColumn.previousButton = keysButton
         else if(pos === "Account") menuColumn.previousButton = accountButton
         menuColumn.previousButton.checked = true
     }
@@ -727,30 +725,6 @@ Rectangle {
                 anchors.leftMargin: 16
             }
 
-            // ------------- Sign/verify tab ---------------
-            MoneroComponents.MenuButton {
-                id: keysButton
-                visible: appWindow.walletMode >= 2
-                anchors.left: parent.left
-                anchors.right: parent.right
-                text: qsTr("Seed & Keys") + translationManager.emptyString
-                symbol: qsTr("Y") + translationManager.emptyString
-                dotColor: "#FFD781"
-                under: settingsButton
-                onClicked: {
-                    parent.previousButton.checked = false
-                    parent.previousButton = keysButton
-                    panel.keysClicked()
-                }
-            }
-
-            MoneroComponents.MenuButtonDivider {
-                visible: settingsButton.present && settingsButton.checked && appWindow.walletMode >= 2
-                anchors.left: parent.left
-                anchors.right: parent.right
-                anchors.leftMargin: 16
-            }
-
         } // Column
 
         } // Flickable