chore(abg): remove no longer needed library version (#1212)

Author: krzema12

action-binding-generator/src/main/kotlin/io/github/typesafegithub/workflows/actionbindinggenerator/LibraryVersion.kt

@@ -82,10 +82,6 @@ val validateDuplicatedVersion by tasks.creating<Task> {
             rootDir.resolve("mkdocs.yml").readText()
                 .contains("  version: $version")
         ) { "Library version stated in the docs should be equal to $version!" }
-        require(
-            rootDir.resolve("action-binding-generator/src/main/kotlin/io/github/typesafegithub/workflows/actionbindinggenerator/LibraryVersion.kt").readText()
-                .contains("internal const val LIBRARY_VERSION = \"$version\"")
-        ) { "Library version stated in action-binding-generator/src/main/.../LibraryVersion.kt should be equal to $version!" }
         require(
             rootDir.resolve("github-workflows-kt/src/test/kotlin/io/github/typesafegithub/workflows/docsnippets/GettingStartedSnippets.kt").readText()
                 .contains("\"io.github.typesafegithub:github-workflows-kt:$version\"")