Disallow PropertyMetadataImpl in conventions for delegated properties

compiler/testData/diagnostics/tests/delegatedProperty/disallowImplInTypeParameter.kt

@@ -0,0 +1,5 @@
+val a: Int by <!DELEGATE_SPECIAL_FUNCTION_NONE_APPLICABLE!>A()<!>
+
+class A {
+    fun get(t: Any?, p: PropertyMetadataImpl): Int = 1
+}

compiler/testData/diagnostics/tests/delegatedProperty/disallowImplInTypeParameter.txt

@@ -0,0 +1,11 @@
+package
+
+internal val a: kotlin.Int
+
+internal final class A {
+    public constructor A()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    internal final fun get(/*0*/ t: kotlin.Any?, /*1*/ p: kotlin.PropertyMetadataImpl): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}