Drop NoAuthentication Auth implementation (#744)

* Drop NoAuthentication Auth implementation

It throws upon use so isn't very useful, removing it makes sticking
to making illegal states unrepresentable easier, also just a cleanup
of unused code.

* Update build.sbt

build.sbt

@@ -40,7 +40,7 @@ lazy val commonSettings = Seq(
   organization := "com.cognite",
   organizationName := "Cognite",
   organizationHomepage := Some(url("https://cognite.com")),
-  version := "2.28." + patchVersion,
+  version := "2.29." + patchVersion,
   isSnapshot := patchVersion.endsWith("-SNAPSHOT"),
   scalaVersion := scala213, // use 2.13 by default
   // handle cross plugin https://github.com/stringbean/sbt-dependency-lock/issues/13

src/main/scala/com/cognite/sdk/scala/common/auth.scala

@@ -19,13 +19,6 @@ object Auth {
   }
 }
 
-final case class NoAuthentication() extends Auth {
-  def auth[U[_], T, S](r: RequestT[U, T, S]): RequestT[U, T, S] =
-    throw new SdkException(
-      s"Authentication not provided"
-    )
-}
-
 final case class BearerTokenAuth(bearerToken: String) extends Auth {
   def auth[U[_], T, S](r: RequestT[U, T, S]): RequestT[U, T, S] =
     r.header("Authorization", s"Bearer $bearerToken")