Removed empty flavor fields

Author: Francis Veilleux-Gaboury

extra-resources/mods/Mythos/common.cardset

@@ -268,7 +268,6 @@ card('Undead') {
 // Public Domain
 card('Lost Soul') {
     creature 'Common'
-    flavor ''
     imagePath 'mythos/common/lost-soul.jpg'
     attack 1
     health 1
@@ -286,7 +285,6 @@ card('Lost Soul') {
 // https://commons.wikimedia.org/wiki/User:Baresi%20franco
 card('Bear') {
     creature 'Common'
-    flavor ''
     imagePath 'mythos/common/bear.jpg'
     attack 2
     health 2
@@ -299,7 +297,6 @@ card('Bear') {
 // Public Domain
 card('Snake') {
     creature 'Common'
-    flavor ''
     imagePath 'mythos/common/snake-python.jpg'
     maxInDeck 1
     attack 1

extra-resources/mods/Mythos/greek.cardset

@@ -1039,7 +1039,6 @@ card('Cerberus') {
 // no image found
 card('Titan 2/2') {
     creature 'Greek Titan'
-    flavor ''
     attack 2
     health 2
     manaCost 0
@@ -1076,7 +1075,6 @@ card('Minotaur') {
 
 /* DOES NOTHING RIGHT NOW
 card('Apollo\'s Bow') {
-    flavor ''
     maxInDeck 1
     manaCost 5
     spell {
@@ -1096,7 +1094,6 @@ card('Apollo\'s Bow') {
 */
 /* DOES NOTHING RIGHT NOW
 card('Tale of the Three Brothers') {
-    flavor ''
     maxInDeck 1
     manaCost 20
     spell {
@@ -1128,7 +1125,6 @@ card('The Wrath of Zeus') {
 */
 /* DOES NOTHING RIGHT NOW
 card('The Might of Hercules') {
-    flavor ''
     maxInDeck 1
     manaCost 10
     spell {