Fix lint

frontend/src/metabase/components/Card.info.js

 import React from "react";
 import Card from "metabase/components/Card";
-import { t } from "c-3po";
 export const component = Card;
 
 export const description = `

frontend/src/metabase/lib/colors.js

@@ -43,7 +43,6 @@ export const harmony = [];
 // DEPRECATED: we should remove these and use `colors` directly
 // compute satured/desaturated variants using "color" lib if absolutely required
 export const normal = {};
-export const brand = {};
 export const saturated = {};
 export const desaturated = {};
 
@@ -88,8 +87,6 @@ function syncHarmony() {
 
 // syncs deprecated color families for legacy code
 function syncDeprecatedColorFamilies() {
-  // brand
-  brand.normal = brand.saturated = brand.desaturated = colors["brand"];
   // normal + saturated + desaturated
   normal.blue = saturated.blue = desaturated.blue = colors["brand"];
   normal.green = saturated.green = desaturated.green = colors["accent1"];

frontend/src/metabase/nav/containers/Navbar.jsx

@@ -5,7 +5,7 @@ import { t } from "c-3po";
 import { Box, Flex } from "grid-styled";
 import styled from "styled-components";
 import { space, width } from "styled-system";
-import colors, { alpha } from "metabase/lib/colors";
+import colors from "metabase/lib/colors";
 
 import { connect } from "react-redux";
 import { push } from "react-router-redux";