Revert "Support invalidation in MealieAuthenticator"

This reverts commit 9c48f1b563.

datasource/src/main/kotlin/gq/kirmanak/mealient/datasource/AuthenticationProvider.kt

@@ -4,5 +4,4 @@ interface AuthenticationProvider {
 
     suspend fun getAuthHeader(): String?
 
-    suspend fun invalidateAuthHeader()
 }

datasource/src/main/kotlin/gq/kirmanak/mealient/datasource/impl/MealieAuthenticator.kt

@@ -18,26 +18,16 @@ class MealieAuthenticator @Inject constructor(
 
     override fun authenticate(route: Route?, response: Response): Request? {
         val supportsBearer = response.challenges().any { it.scheme == BEARER_SCHEME }
-        if (!supportsBearer) {
-            return null
-        }
-
         val request = response.request
-        val previousHeader = request.header(HEADER_NAME)
-            ?: return getAuthHeader()?.let { request.copyWithHeader(HEADER_NAME, it) }
-
-        invalidateAuthHeader()
-        return getAuthHeader()?.takeUnless { it == previousHeader }?.let {
-            request.copyWithHeader(HEADER_NAME, it)
+        return if (supportsBearer && request.header(HEADER_NAME) == null) {
+            getAuthHeader()?.let { request.copyWithHeader(HEADER_NAME, it) }
+        } else {
+            null // Either Bearer is not supported or we've already tried to authenticate
         }
     }
 
     private fun getAuthHeader() = runBlocking { authenticationProvider.get().getAuthHeader() }
 
-    private fun invalidateAuthHeader() {
-        runBlocking { authenticationProvider.get().invalidateAuthHeader() }
-    }
-
     companion object {
         @VisibleForTesting
         const val HEADER_NAME = "Authorization"