Always initialize Gradle User Home with init script

The generated gradle.properties file and init script are not cached,
so need to be generated even when restoring from cache.

src/cache-base.ts

@@ -147,7 +147,6 @@ export abstract class AbstractCache {
 
         if (!cacheResult) {
             core.info(`${this.cacheDescription} cache not found. Will initialize empty.`)
-            await this.initializeState()
             return
         }
 
@@ -182,8 +181,6 @@ export abstract class AbstractCache {
         }
     }
 
-    protected async initializeState(): Promise<void> {}
-
     protected async afterRestore(_listener: CacheListener): Promise<void> {}
 
     async save(listener: CacheListener): Promise<void> {