[Compiler tests] Remove -Dkotlin.ni flag from tests

buildSrc/src/main/kotlin/tasks.kt

@@ -202,7 +202,6 @@ fun Project.projectTest(
         environment("PROJECT_CLASSES_DIRS", project.testSourceSet.output.classesDirs.asPath)
         environment("PROJECT_BUILD_DIR", project.buildDir)
         systemProperty("jps.kotlin.home", project.rootProject.extra["distKotlinHomeDir"]!!)
-        systemProperty("kotlin.ni", if (project.rootProject.hasProperty("newInferenceTests")) "true" else "false")
         systemProperty("org.jetbrains.kotlin.skip.muted.tests", if (project.rootProject.hasProperty("skipMutedTests")) "true" else "false")
         systemProperty("cacheRedirectorEnabled", project.rootProject.findProperty("cacheRedirectorEnabled")?.toString() ?: "false")
         project.kotlinBuildProperties.junit5NumberOfThreadsForParallelExecution?.let { n ->

gradle/jps.gradle.kts

@@ -103,7 +103,6 @@ fun JUnit.configureForKotlin(xmx: String = "1600m") {
         "-Didea.home.path=$ideaSdkPath",
         "-Didea.use.native.fs.for.win=false",
         "-Djps.kotlin.home=${ideaPluginDir.absolutePath}",
-        "-Dkotlin.ni=" + if (rootProject.hasProperty("newInferenceTests")) "true" else "false",
         "-Duse.jps=true",
         "-Djava.awt.headless=true"
     ).filterNotNull().joinToString(" ")

gradle/modularizedTestConfigurations.gradle.kts

@@ -40,7 +40,6 @@ fun generateVmParametersForJpsConfiguration(path: String, additionalParameters:
         "-Didea.home.path=$ideaSdkPath",
         "-Didea.use.native.fs.for.win=false",
         "-Djps.kotlin.home=${ideaPluginDir.absolutePath}",
-        "-Dkotlin.ni=" + if (rootProject.hasProperty("newInferenceTests")) "true" else "false",
         "-Duse.jps=true",
         "-Djava.awt.headless=true"
     )