Fix links in readme

Author: SimenB

README.md

@@ -49,14 +49,13 @@ You can also whitelist the environment variables provided by Jest by doing:
 
 ## Supported Rules
 
-* [no-disabled-tests](/packages/eslint-plugin-jest/docs/rules/no-disabled-tests.md) -
-  disallow disabled tests.
-* [no-focused-tests](/packages/eslint-plugin-jest/docs/rules/no-focused-tests.md) -
-  disallow focused tests.
-* [no-identical-title](/packages/eslint-plugin-jest/docs/rules/no-identical-title.md) -
-  disallow identical titles.
-* [valid-expect](/packages/eslint-plugin-jest/docs/rules/valid-expect.md) -
-  ensure expect is called correctly.
+* [no-disabled-tests](/docs/rules/no-disabled-tests.md) - disallow disabled
+  tests.
+* [no-focused-tests](/docs/rules/no-focused-tests.md) - disallow focused tests.
+* [no-identical-title](/docs/rules/no-identical-title.md) - disallow identical
+  titles.
+* [valid-expect](/docs/rules/valid-expect.md) - ensure expect is called
+  correctly.
 
 ## Shareable configurations
 
@@ -80,10 +79,10 @@ for more information about extending configuration files.
 
 The rules enabled in this configuration are:
 
-* [jest/no-disabled-tests](/packages/eslint-plugin-jest/docs/rules/no-disabled-tests.md)
-* [jest/no-focused-tests](/packages/eslint-plugin-jest/docs/rules/no-focused-tests.md)
-* [jest/no-identical-title](/packages/eslint-plugin-jest/docs/rules/no-identical-title.md)
-* [jest/valid-expect](/packages/eslint-plugin-jest/docs/rules/valid-expect.md)
+* [jest/no-disabled-tests](/docs/rules/no-disabled-tests.md)
+* [jest/no-focused-tests](/docs/rules/no-focused-tests.md)
+* [jest/no-identical-title](/docs/rules/no-identical-title.md)
+* [jest/valid-expect](/docs/rules/valid-expect.md)
 
 ## Credit