Remove StringSources.kt

Change-Id: I17972f94277364cd588f40d422370b21e40af0e9

build-logic/convention/src/main/kotlin/com/google/samples/apps/nowinandroid/StringSources.kt

@@ -1,47 +0,0 @@
-/*
- * Copyright 2024 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.samples.apps.nowinandroid
-
-/**
- * String for `implementation`.
- */
-internal const val implementation = "implementation"
-
-/**
- * String for `testImplementation`.
- */
-internal const val testImplementation = "testImplementation"
-
-/**
- * String for `androidTestImplementation`.
- */
-internal const val androidTestImplementation = "androidTestImplementation"
-
-/**
- * String for `ksp`.
- */
-internal const val ksp = "ksp"
-
-/**
- * String for `debugImplementation`.
- */
-internal const val debugImplementation = "debugImplementation"
-
-/**
- * String for `coreLibraryDesugaring`.
- */
-internal const val coreLibraryDesugaring = "coreLibraryDesugaring"