Remove the description of the old go.mod specification

README.md

@@ -184,10 +184,7 @@ steps:
 ## Getting go version from the go.mod file
 
 The `go-version-file` input accepts a path to a `go.mod` file or a `go.work` file that contains the version of Go to be
-used by a project. As the `go.mod` file contains only major and minor (e.g. 1.18) tags, the action will search for the
-latest available patch version sequentially in the runner's directory with the cached tools, in
-the [versions-manifest.json](https://github.com/actions/go-versions/blob/main/versions-manifest.json) file or at the go
-servers.
+used by a project.
 
 If both the `go-version` and the `go-version-file` inputs are provided then the `go-version` input is used.
 > The action will search for the `go.mod` file relative to the repository root