Deprecate 'kotlin.parallel.tasks.in.project' build property.

Default value will use Gradle parallel execution option value.

^KT-46401 Fixed

idea/testData/gradle/hierarchicalMultiplatformImport/jvmWithJavaOnHMPP/gradle.properties

@@ -1,6 +1,5 @@
 coroutines_version = 1.1.1
 moowork_node = 1.2.0
 
-org.gradle.paralllel=true
-kotlin.parallel.tasks.in.project=true
+org.gradle.parallel=true
 kotlin.mpp.enableGranularSourceSetsMetadata=true

idea/testData/gradle/newMultiplatformImport/jvmWithJava/gradle.properties

@@ -2,6 +2,5 @@ kotlin_version = {{kotlin_plugin_version}}
 coroutines_version = 1.1.1
 moowork_node = 1.2.0
 
-org.gradle.paralllel=true
-kotlin.parallel.tasks.in.project=true
+org.gradle.parallel=true
 kotlin.stdlib.default.dependency=false