[Generator] Do not omit public visibility of methods in wasm

generators/builtins/primitives/BooleanGenerator.kt

@@ -224,12 +224,10 @@ class WasmBooleanGenerator(writer: PrintWriter) : BooleanGenerator(writer) {
     }
 
     override fun MethodBuilder.modifyGeneratedToString() {
-        modifySignature { visibility = null }
         "if (this) \"true\" else \"false\"".setAsExpressionBody()
     }
 
     override fun MethodBuilder.modifyGeneratedEquals() {
-        modifySignature { visibility = null }
         """
             return if (other !is Boolean) {
                 false
@@ -239,10 +237,6 @@ class WasmBooleanGenerator(writer: PrintWriter) : BooleanGenerator(writer) {
         """.trimIndent().setAsBlockBody()
     }
 
-    override fun MethodBuilder.modifyGeneratedHashCode() {
-        modifySignature { visibility = null }
-    }
-
     override fun ClassBuilder.generateAdditionalMethods() {
         method {
             annotations += "WasmNoOpCast"
@@ -307,10 +301,6 @@ class NativeBooleanGenerator(writer: PrintWriter) : BooleanGenerator(writer) {
         }
     }
 
-    override fun MethodBuilder.modifyGeneratedHashCode() {
-        modifySignature { visibility = MethodVisibility.PUBLIC }
-    }
-
     override fun ClassBuilder.generateAdditionalMethods() {
         generateCustomEquals()
     }