fix: Revert commit 17f30b4

This had some unexpected side effects.

Author: zimme

src/__tests__/utils.js

@@ -263,34 +263,6 @@ test("eslint max-len.tabWidth value should be used for tabWidth when tabs are us
   });
 });
 
-test("Turn off prettier/prettier rule if found, but still infer options from it", () => {
-  const { eslint, prettier } = getOptionsForFormatting(
-    {
-      rules: {
-        "prettier/prettier": [
-          2,
-          {
-            trailingComma: "all"
-          }
-        ]
-      }
-    },
-    undefined,
-    undefined,
-    eslintPath
-  );
-
-  expect(eslint).toMatchObject({
-    rules: {
-      "prettier/prettier": ["off"]
-    }
-  });
-
-  expect(prettier).toMatchObject({
-    trailingComma: "all"
-  });
-});
-
 test("eslint config has only necessary properties", () => {
   const { eslint } = getOptionsForFormatting(
     {

src/utils.js

@@ -65,22 +65,12 @@ function getOptionsForFormatting(
   fallbackPrettierOptions = {},
   eslintPath
 ) {
-  let eslint = getRelevantESLintConfig(eslintConfig, eslintPath);
+  const eslint = getRelevantESLintConfig(eslintConfig, eslintPath);
   const prettier = getPrettierOptionsFromESLintRules(
     eslintConfig,
     prettierOptions,
     fallbackPrettierOptions
   );
-
-  // Disable "prettier/prettier", we don't need to run prettier twice
-  eslint = {
-    ...eslint,
-    rules: {
-      ...eslint.rules,
-      "prettier/prettier": ["off"]
-    }
-  };
-
   return { eslint, prettier };
 }