build: Remove next-compose-plugins

It was causing a number of warnings when building:

```
warn  - Invalid next.config.js options detected: 
  - The root value has an unexpected property, webpackDevMiddleware, which is not in the list of allowed properties (amp, analyticsId, assetPrefix, basePath, cleanDistDir, compiler, compress, crossOrigin, devIndicators, distDir, env, eslint, excludeDefaultMomentLocales, experimental, exportPathMap, future, generateBuildId, generateEtags, headers, httpAgentOptions, i18n, images, onDemandEntries, optimizeFonts, output, outputFileTracing, pageExtensions, poweredByHeader, productionBrowserSourceMaps, publicRuntimeConfig, reactStrictMode, redirects, rewrites, sassOptions, serverRuntimeConfig, staticPageGenerationTimeout, swcMinify, trailingSlash, typescript, useFileSystemPublicRoutes, webpack).
  - The root value has an unexpected property, configOrigin, which is not in the list of allowed properties (amp, analyticsId, assetPrefix, basePath, cleanDistDir, compiler, compress, crossOrigin, devIndicators, distDir, env, eslint, excludeDefaultMomentLocales, experimental, exportPathMap, future, generateBuildId, generateEtags, headers, httpAgentOptions, i18n, images, onDemandEntries, optimizeFonts, output, outputFileTracing, pageExtensions, poweredByHeader, productionBrowserSourceMaps, publicRuntimeConfig, reactStrictMode, redirects, rewrites, sassOptions, serverRuntimeConfig, staticPageGenerationTimeout, swcMinify, trailingSlash, typescript, useFileSystemPublicRoutes, webpack).
  - The root value has an unexpected property, target, which is not in the list of allowed properties (amp, analyticsId, assetPrefix, basePath, cleanDistDir, compiler, compress, crossOrigin, devIndicators, distDir, env, eslint, excludeDefaultMomentLocales, experimental, exportPathMap, future, generateBuildId, generateEtags, headers, httpAgentOptions, i18n, images, onDemandEntries, optimizeFonts, output, outputFileTracing, pageExtensions, poweredByHeader, productionBrowserSourceMaps, publicRuntimeConfig, reactStrictMode, redirects, rewrites, sassOptions, serverRuntimeConfig, staticPageGenerationTimeout, swcMinify, trailingSlash, typescript, useFileSystemPublicRoutes, webpack).
  - The root value has an unexpected property, webpack5, which is not in the list of allowed properties (amp, analyticsId, assetPrefix, basePath, cleanDistDir, compiler, compress, crossOrigin, devIndicators, distDir, env, eslint, excludeDefaultMomentLocales, experimental, exportPathMap, future, generateBuildId, generateEtags, headers, httpAgentOptions, i18n, images, onDemandEntries, optimizeFonts, output, outputFileTracing, pageExtensions, poweredByHeader, productionBrowserSourceMaps, publicRuntimeConfig, reactStrictMode, redirects, rewrites, sassOptions, serverRuntimeConfig, staticPageGenerationTimeout, swcMinify, trailingSlash, typescript, useFileSystemPublicRoutes, webpack).
  - The value at .amp.canonicalBase must be 1 character or more but it was 0 characters.
  - The value at .assetPrefix must be 1 character or more but it was 0 characters.
  - The value at .experimental.outputFileTracingRoot must be 1 character or more but it was 0 characters.
  - The value at .i18n must be an object but it was null.

See more info here: https://nextjs.org/docs/messages/invalid-next-config
```

See cyrilwanner/next-compose-plugins#59.

next.config.js

@@ -1,9 +1,6 @@
-const withPlugins = require('next-compose-plugins')
 const withTM = require('next-transpile-modules')(['hex-rgb'])
 
-module.exports = withPlugins([withTM], {
-  // other configs...
-
+module.exports = withTM({
   webpack(config) {
     config.module.rules.push({
       test: /\.svg$/i,

package.json

@@ -101,7 +101,6 @@
     "jest-styled-components": "^7.1.1",
     "local-cypress": "^1.2.6",
     "markdown-to-jsx": "^7.1.7",
-    "next-compose-plugins": "^2.2.1",
     "next-transpile-modules": "^9.0.0",
     "prettier": "^2.8.1",
     "semantic-release": "^19.0.5",

yarn.lock

@@ -15068,11 +15068,6 @@ nested-error-stacks@^2.0.0, nested-error-stacks@^2.1.0:
   resolved "https://registry.yarnpkg.com/nested-error-stacks/-/nested-error-stacks-2.1.0.tgz#0fbdcf3e13fe4994781280524f8b96b0cdff9c61"
   integrity sha512-AO81vsIO1k1sM4Zrd6Hu7regmJN1NSiAja10gc4bX3F0wd+9rQmcuHQaHVQCYIEC8iFXnE+mavh23GOt7wBgug==
 
-next-compose-plugins@^2.2.1:
-  version "2.2.1"
-  resolved "https://registry.yarnpkg.com/next-compose-plugins/-/next-compose-plugins-2.2.1.tgz#020fc53f275a7e719d62521bef4300fbb6fde5ab"
-  integrity sha512-OjJ+fV15FXO2uQXQagLD4C0abYErBjyjE0I0FHpOEIB8upw0hg1ldFP6cqHTJBH1cZqy96OeR3u1dJ+Ez2D4Bg==
-
 next-transpile-modules@^9.0.0:
   version "9.0.0"
   resolved "https://registry.yarnpkg.com/next-transpile-modules/-/next-transpile-modules-9.0.0.tgz#133b1742af082e61cc76b02a0f12ffd40ce2bf90"