Fix Undermine and Murderous Intent missing the legacy tag

These gems are drop disabled and meant to have the legacy tag on them

Author: LocalIdentity

src/Data/Skills/sup_dex.lua

@@ -3221,6 +3221,7 @@ skills["SupportEmpoweredCullPlayer"] = {
 	levels = {
 		[1] = { levelRequirement = 0, manaMultiplier = 20, },
 	},
+	legacy = true,
 	statSets = {
 		[1] = {
 			label = "Murderous Intent",

src/Data/Skills/sup_str.lua

@@ -7624,6 +7624,7 @@ skills["SupportUnderminePlayer"] = {
 	levels = {
 		[1] = { levelRequirement = 0, },
 	},
+	legacy = true,
 	statSets = {
 		[1] = {
 			label = "Undermine",

src/Export/Skills/sup_dex.txt

@@ -710,6 +710,7 @@ statMap = {
 #skillEnd
 
 #skill SupportEmpoweredCullPlayer
+legacy = true
 #set SupportEmpoweredCullPlayer
 statMap = {
 	["support_empowered_culling_strike"] = {

src/Export/Skills/sup_str.txt

@@ -1720,6 +1720,7 @@ statMap = {
 #skillEnd
 
 #skill SupportUnderminePlayer
+legacy = true
 #set SupportUnderminePlayer
 #mods
 #skillEnd