Remove unnecessary async/await from a sync function (#7741)

* Remove unnecessary async/await from a sync function

* Pointless commit

Trigger a new AppVeyor run

* Revert "Pointless commit"

This reverts commit e647541.

Author: tryzniak

packages/gatsby/src/bootstrap/load-plugins/index.js

@@ -39,7 +39,7 @@ const flattenPlugins = plugins => {
 
 module.exports = async (config = {}) => {
   // Collate internal plugins, site config plugins, site default plugins
-  const plugins = await loadPlugins(config)
+  const plugins = loadPlugins(config)
 
   // Create a flattened array of the plugins
   let flattenedPlugins = flattenPlugins(plugins)

packages/gatsby/src/bootstrap/load-plugins/load.js

@@ -83,7 +83,7 @@ function resolvePlugin(pluginName) {
   }
 }
 
-module.exports = async (config = {}) => {
+module.exports = (config = {}) => {
   // Instantiate plugins.
   const plugins = []