Update tests depending on part class naming

compiler/testData/codegen/topLevelMemberInvocation/propertyWithGetter/1.kt

@@ -5,5 +5,5 @@ val prop: Int = 0
         return $prop + 1
     }
 
-// 2 INVOKESTATIC a/APackage.+\.getProp \(\)I
-// 1 GETSTATIC a/APackage.+\.prop \: I
+// 2 INVOKESTATIC a/_1Kt.getProp \(\)I
+// 1 GETSTATIC a/_1Kt.prop \: I

compiler/testData/codegen/topLevelMemberInvocation/propertyWithGetter/a1.kt

@@ -1,9 +0,0 @@
-package a
-
-val prop: Int = 0
-    get() {
-        return $prop + 1
-    }
-
-// 2 INVOKESTATIC a/A1Kt.getProp \(\)I
-// 1 GETSTATIC a/A1Kt.prop \: I