patch 8.1.2215: unreachable code in adjusting text prop columns

Problem:    Unreachable code in adjusting text prop columns.
Solution:   Remove the code. (Christian Brabandt)
diff --git a/src/version.c b/src/version.c
index 77ce139..b30faa7 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2215,
+/**/
     2214,
 /**/
     2213,