remove import-react from babel transform

Summary: Jest transformer does not need to auto import react as typescripts requires all files to have react imported anyway

Reviewed By: elboman

Differential Revision: D53429265

fbshipit-source-id: ca9c5baf05c40a919007d6447f0b837be34acd26

desktop/babel-transformer/src/transform-jest.tsx

@@ -11,7 +11,7 @@ import {default as doTransform} from './transform';
 import {default as getCacheKey} from './get-cache-key';
 
 const presets = [require('@babel/preset-react')];
-const plugins = [require('./import-react'), require('./fb-stubs')];
+const plugins = [require('./fb-stubs')];
 
 module.exports = {
   transform,