Changes in build environment.

Using local compiler options. See:
File | Settings | Build, Execution, Deployment | Compiler

gradle.properties

@@ -18,5 +18,4 @@ android.useAndroidX=true
 # Automatically convert third-party libraries to use AndroidX
 android.enableJetifier=false
 # Kotlin code style for this project: "official" or "obsolete":
-kotlin.code.style=official
-org.gradle.unsafe.configuration-cache=true
+kotlin.code.style=official

settings.gradle.kts

@@ -8,4 +8,3 @@ dependencyResolutionManagement {
 }
 rootProject.name = "Unitto"
 include(":app")
-include(":tools")