Do not try inexact resolve on scripts

Script light psi depends on script definition
    which is costly to compute correctly

 #KT-25395 Fixed

idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/lightClasses/IDELightClassContexts.kt

@@ -168,18 +168,6 @@ internal object IDELightClassContexts {
         return IDELightClassConstructionContext(resolveSession.bindingContext, resolveSession.moduleDescriptor, LIGHT)
     }
 
-    fun lightContextForScript(script: KtScript): LightClassConstructionContext {
-        val resolveSession = setupAdHocResolve(
-            script.project,
-            script.getResolutionFacade().moduleDescriptor,
-            listOf(script.containingKtFile)
-        )
-
-        ForceResolveUtil.forceResolveAllContents(resolveSession.resolveToDescriptor(script))
-
-        return IDELightClassConstructionContext(resolveSession.bindingContext, resolveSession.moduleDescriptor, LIGHT)
-    }
-
     private fun isDummyResolveApplicable(classOrObject: KtClassOrObject): Boolean {
         if (classOrObject.hasLightClassMatchingErrors) return false
 

idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/resolve/IDELightClassGenerationSupport.kt

@@ -71,7 +71,7 @@ class IDELightClassGenerationSupport(project: Project) : LightClassGenerationSup
         return LazyLightClassDataHolder.ForScript(
             builder,
             exactContextProvider = { IDELightClassContexts.contextForScript(script) },
-            dummyContextProvider = { IDELightClassContexts.lightContextForScript(script) },
+            dummyContextProvider = { null },
             diagnosticsHolderProvider = { script.getDiagnosticsHolder() }
         )
     }