Prevent random Christian characters being generated in vanilla CK3

ImperatorToCK3/Data_Files/configurables/removable_file_blocks.txt

@@ -14784,4 +14784,50 @@ apply_historic_administrative_game_rule_effect = {
 			}
 		}
 	}
+
+	# Prevent random Christian characters from being spawned.
+	{
+				2 = {
+					trigger = {
+						root.capital_province.faith = {
+							religion_tag = christianity_religion
+						}
+						root.capital_province = {
+							geographical_region = world_europe_west_iberia
+						}
+					}
+					set_character_faith = faith:conversos
+				}
+	}
+	{
+		else_if = {
+			limit = {
+				culture = culture:greek
+			}
+			random_list = {
+				10 = {
+					set_character_faith = faith:iconoclast
+				}
+				10 = {
+					set_character_faith = faith:paulician
+				}
+				10 = {
+					set_character_faith = faith:bogomilist
+				}
+			}
+		}
+	}
+	{
+				5 = {
+					set_character_faith = faith:nestorian
+				}
+	}
+	{
+		else_if = {
+			limit = {
+				culture = culture:assyrian
+			}
+			set_character_faith = faith:nestorian
+		}
+	}
 }