feat: provide fragments without gatsby-image (#8459)

* [gatsby-transformer-sharp] Provide fragments without gatsby-image

* Missed a line

packages/gatsby-transformer-sharp/src/gatsby-node.js

@@ -6,29 +6,15 @@ exports.setFieldsOnGraphQLNodeType = require(`./extend-node-type`)
 exports.onPreExtractQueries = async ({ store, getNodes }) => {
   const program = store.getState().program
 
-  // Check if there are any ImageSharp nodes and if gatsby-image is installed. If so
-  // add fragments for ImageSharp and gatsby-image. The fragment will cause an error
-  // if there's not ImageSharp nodes and without gatsby-image, the fragment is useless.
+  // Check if there are any ImageSharp nodes. If so add fragments for ImageSharp.
+  // The fragment will cause an error if there are no ImageSharp nodes.
   const nodes = getNodes()
 
   if (!nodes.some(n => n.internal.type === `ImageSharp`)) {
     return
   }
 
-  let gatsbyImageDoesNotExist = true
-  try {
-    require.resolve(`gatsby-image`)
-    gatsbyImageDoesNotExist = false
-  } catch (e) {
-    // Ignore
-  }
-
-  if (gatsbyImageDoesNotExist) {
-    return
-  }
-
-  // We have both gatsby-image installed as well as ImageSharp nodes so let's
-  // add our fragments to .cache/fragments.
+  // We have ImageSharp nodes so let's add our fragments to .cache/fragments.
   await fs.copy(
     require.resolve(`gatsby-transformer-sharp/src/fragments.js`),
     `${program.directory}/.cache/fragments/image-sharp-fragments.js`