Minor: drop semicolon in package declaration everywhere.

compiler/testData/diagnostics/tests/nullabilityAndAutoCasts/kt362.kt

@@ -1,7 +1,7 @@
 // FILE: this.kt
 
 // KT-362 Don't allow autocasts on vals that are not internal
-package example;
+package example
 
 fun test() {
   val p = test.Public()
@@ -26,4 +26,4 @@ internal class Internal() {
     public val public : Int? = 1;
     protected val protected : Int? = 1;
     val internal : Int? = 1
-}
+}