IS-2319: Delete erronous dialogmote avlysning (#503)

src/main/resources/db/migration/V9_08__delete_avlysning.sql

@@ -0,0 +1,19 @@
+DELETE
+FROM motedeltaker_arbeidstaker_varsel
+WHERE id = '221126';
+
+DELETE
+FROM motedeltaker_arbeidsgiver_varsel
+WHERE id = '221126';
+
+DELETE
+FROM mote_status_endret
+WHERE id = '304416';
+
+DELETE
+FROM pdf
+WHERE id IN ('678784', '678785');
+
+UPDATE mote
+SET status = 'INNKALT'
+WHERE id = '127415';