remove execution-context file

src/app.js

@@ -23,7 +23,7 @@ var toolTip = require('./app/ui/tooltip')
 var CompilerMetadata = require('./app/files/compiler-metadata')
 var CompilerImport = require('./app/compiler/compiler-imports')
 
-var executionContext = require('./execution-context')
+var executionContext = remixLib.execution.executionContext
 
 const PluginManagerComponent = require('./app/components/plugin-manager-component')
 const CompilersArtefacts = require('./app/compiler/compiler-artefacts')

src/execution-context.js

-var remixLib = require('remix-lib')
-var executionContext = remixLib.execution.executionContext
-
-module.exports = executionContext