Android-extensions: remove obsolete parcel part

Android-extensions is an obsolete plugin that cannot be used since
Kotlin 1.8.0 because an unconditional error is reported. The only reason
it is still not removed from the repo is because there are usages from
the Android part of intellij. In this change, the "parcelize" part of
the plugin and its tests are removed because it's not used from AS.

generators/tests/org/jetbrains/kotlin/generators/tests/GenerateTests.kt

@@ -6,10 +6,6 @@
 package org.jetbrains.kotlin.generators.tests
 
 import org.jetbrains.kotlin.allopen.*
-import org.jetbrains.kotlin.android.parcel.AbstractParcelBoxTest
-import org.jetbrains.kotlin.android.parcel.AbstractParcelBytecodeListingTest
-import org.jetbrains.kotlin.android.parcel.AbstractParcelIrBoxTest
-import org.jetbrains.kotlin.android.parcel.AbstractParcelIrBytecodeListingTest
 import org.jetbrains.kotlin.android.synthetic.test.AbstractAndroidBoxTest
 import org.jetbrains.kotlin.android.synthetic.test.AbstractAndroidBytecodeShapeTest
 import org.jetbrains.kotlin.android.synthetic.test.AbstractAndroidIrBoxTest
@@ -185,22 +181,6 @@ fun main(args: Array<String>) {
             testClass<AbstractAndroidBytecodeShapeTest> {
                 model("codegen/bytecodeShape", recursive = false, extension = null)
             }
-
-            testClass<AbstractParcelBoxTest> {
-                model("parcel/box", targetBackend = TargetBackend.JVM)
-            }
-
-            testClass<AbstractParcelIrBoxTest> {
-                model("parcel/box", targetBackend = TargetBackend.JVM_IR)
-            }
-
-            testClass<AbstractParcelBytecodeListingTest> {
-                model("parcel/codegen", targetBackend = TargetBackend.JVM)
-            }
-
-            testClass<AbstractParcelIrBytecodeListingTest> {
-                model("parcel/codegen", targetBackend = TargetBackend.JVM_IR)
-            }
         }
 
         testGroup("plugins/jvm-abi-gen/test", "plugins/jvm-abi-gen/testData") {