Revert "Migration change: temporarily specify type explicitly"

This reverts commit bc6e091004.

 This commit was needed to avoid bootstraping, now we can revert it

plugins/scripting/scripting-cli/src/org/jetbrains/kotlin/scripting/compiler/plugin/ScriptiDefinitionsFromClasspathDiscoverySource.kt

@@ -45,7 +45,7 @@ internal fun discoverScriptTemplatesInClasspath(
     baseClassLoader: ClassLoader,
     scriptResolverEnv: Map<String, Any?>,
     messageCollector: MessageCollector
-): Sequence<KotlinScriptDefinition> = buildSequence<KotlinScriptDefinition> {
+): Sequence<KotlinScriptDefinition> = buildSequence {
     // TODO: try to find a way to reduce classpath (and classloader) to minimal one needed to load script definition and its dependencies
     val loader = LazyClasspathWithClassLoader(baseClassLoader) { classpath }
 
@@ -133,7 +133,7 @@ internal fun loadScriptTemplatesFromClasspath(
     messageCollector: MessageCollector
 ): Sequence<KotlinScriptDefinition> =
     if (scriptTemplates.isEmpty()) emptySequence()
-    else buildSequence<KotlinScriptDefinition> {
+    else buildSequence {
         // trying the direct classloading from baseClassloader first, since this is the most performant variant
         val (initialLoadedDefinitions, initialNotFoundTemplates) = scriptTemplates.partitionMapNotNull {
             loadScriptDefinition(baseClassLoader, it, scriptResolverEnv, messageCollector)