[Commonizer] AbstractCommonizationFromSourcesTest remove assertions on commonized leaf/platform libraries

Those assertions are not necessary anymore, since the commonizer is not
expected to produce any new "actuals" per given expect.
The IDE is supposed to analyze leaf source sets against the original
platform libraries.

native/commonizer/testData/propertyCommonization/specifics/commonized/js/package_root.kt

@@ -1,30 +0,0 @@
-actual val delegatedProperty1: Int by lazy { 42 }
-actual val delegatedProperty2: Int by lazy { 42 }
-actual val delegatedProperty3: Int by mapOf("delegatedProperty3" to 42)
-actual val delegatedProperty4: Int by mapOf("delegatedProperty4" to 42)
-
-lateinit var lateinitProperty1: String
-lateinit var lateinitProperty2: String
-
-actual inline val inlineProperty1 get() = 42
-actual inline val inlineProperty2 get() = 42
-actual inline val inlineProperty3 get() = 42
-
-actual inline var inlineProperty4
-    get() = 42
-    set(value) = Unit
-actual inline var inlineProperty5
-    get() = 42
-    set(value) = Unit
-actual inline var inlineProperty6
-    get() = 42
-    set(value) = Unit
-actual inline var inlineProperty7
-    get() = 42
-    set(value) = Unit
-actual inline var inlineProperty8
-    get() = 42
-    set(value) = Unit
-
-actual external val externalProperty1: Int
-actual external val externalProperty2: Int

native/commonizer/testData/propertyCommonization/specifics/commonized/jvm/package_root.kt

@@ -1,30 +0,0 @@
-actual val delegatedProperty1: Int by lazy { 42 }
-actual val delegatedProperty2 = 42 // intentionally left as non-delegated
-actual val delegatedProperty3: Int by mapOf("delegatedProperty3" to 42)
-actual val delegatedProperty4 = 42 // intentionally left as non-delegated
-
-lateinit var lateinitProperty1: String
-var lateinitProperty2 = "hello" // intentionally left as non-lateinit
-
-actual val inlineProperty1 inline get() = 42
-actual inline val inlineProperty2 get() = 42
-actual val inlineProperty3 = 42 // intentionally left as non-inline
-
-actual var inlineProperty4
-    inline get() = 42
-    inline set(value) = Unit
-inline actual var inlineProperty5
-    get() = 42
-    set(value) = Unit
-actual var inlineProperty6
-    inline get() = 42
-    set(value) = Unit
-actual var inlineProperty7
-    get() = 42
-    inline set(value) = Unit
-actual var inlineProperty8
-    get() = 42
-    set(value) = Unit
-
-actual external val externalProperty1: Int
-actual val externalProperty2: Int = 1