remove freezing blast, it crashes

Author: bhauth

README.md

@@ -53,7 +53,7 @@ https://github.com/b-crawl/bcrawl/releases
   - v1.4: Some thrown weapon types are consolidated.
   - v1.5.2: The skin of Zhor gains +4 slaying.
   - v1.5.3: The dagger of Chilly Death does more damage and can slow enemies.
-  - v1.5.3: Wands of random effects have fewer charges, and a new spell set: Inner Flame, Malmutate, Sleep, Slow, Shackle, Petrify, Teleport Other, Freezing Blast, Fireball, Bolt of Draining, Venom Bolt.
+  - v1.5.3: Wands of random effects have fewer charges, and a new spell set: Inner Flame, Malmutate, Sleep, Slow, Shackle, Petrify, Teleport Other, Iceblast, Fireball, Bolt of Draining, Venom Bolt.
 
 #### Removed Items
   - Amulet of Harm

crawl-ref/source/dat/descript/items.txt

@@ -1237,7 +1237,7 @@ into another form.
 wand of random effects
 
 A magical device which can produce a variety of effects, including Inner Flame,
-Malmutate, Sleep, Slow, Shackle, Petrify, Teleport, Freezing Blast,
+Malmutate, Sleep, Slow, Shackle, Petrify, Teleport, Iceblast,
 Fireball, Bolt of Draining, and Venom Bolt.
 %%%%
 wand of scattershot

crawl-ref/source/spl-goditem.cc

@@ -1354,7 +1354,7 @@ spret_type cast_random_effects(int pow, bolt& beam, bool fail)
                                  ZAP_SHACKLE,
                                  ZAP_PETRIFY,
                                  ZAP_TELEPORT_OTHER,
-                                 ZAP_FREEZING_BLAST,
+                                 ZAP_ICEBLAST,
                                  ZAP_FIREBALL,
                                  ZAP_BOLT_OF_DRAINING,
                                  ZAP_VENOM_BOLT,