Fix map jsons (#960)

## Description:
Quite a bit of maps have problems with their jsons. In this PR, I'll try
to fix some of them.

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced
- [x] I understand that submitting code with bugs that could have been
caught through manual testing blocks releases and new features for all
contributors

## Please put your Discord username so you can be contacted if a bug or
regression is found:

<DISCORD USERNAME>
Nikola123

resources/maps/Europe.json

@@ -244,7 +244,7 @@
       "flag": "gb-sct"
     },
     {
-      "coordinates": [2239, 3215],
+      "coordinates": [2300, 510],
       "name": "USSR",
       "strength": 3,
       "flag": "ussr"
@@ -280,7 +280,7 @@
       "flag": "eg"
     },
     {
-      "coordinates": [1188, 1612],
+      "coordinates": [1115, 1650],
       "name": "State of Libya",
       "strength": 1,
       "flag": "ly"

resources/maps/Japan.json

@@ -4,7 +4,7 @@
   "height": 1646,
   "nations": [
     {
-      "coordinates": [1151, 709],
+      "coordinates": [1150, 660],
       "name": "Hokkaido",
       "strength": 1,
       "flag": "jp"
@@ -40,7 +40,7 @@
       "flag": "jp"
     },
     {
-      "coordinates": [8612, 1183],
+      "coordinates": [595, 1190],
       "name": "Shikoku",
       "strength": 2,
       "flag": "jp"

resources/maps/NorthAmerica.json

@@ -4,37 +4,37 @@
   "height": 1448,
   "nations": [
     {
-      "coordinates": [1693, 1045],
+      "coordinates": [1625, 1040],
       "name": "Florida",
       "strength": 3,
       "flag": "Florida"
     },
     {
-      "coordinates": [1001, 427],
+      "coordinates": [1010, 435],
       "name": "Canada",
       "strength": 2,
       "flag": "ca"
     },
     {
-      "coordinates": [1364, 1179],
+      "coordinates": [1250, 1130],
       "name": "Mexico",
       "strength": 2,
       "flag": "mx"
     },
     {
-      "coordinates": [1556, 1295],
+      "coordinates": [1460, 1275],
       "name": "Guatemala",
       "strength": 1,
       "flag": "gt"
     },
     {
-      "coordinates": [1612, 1289],
+      "coordinates": [1530, 1290],
       "name": "Honduras",
       "strength": 1,
       "flag": "hn"
     },
     {
-      "coordinates": [1642, 1348],
+      "coordinates": [1570, 1350],
       "name": "Nicaragua",
       "strength": 1,
       "flag": "ni"
@@ -58,7 +58,7 @@
       "flag": "ve"
     },
     {
-      "coordinates": [1775, 1183],
+      "coordinates": [1725, 1180],
       "name": "Cuba",
       "strength": 1,
       "flag": "cu"
@@ -94,7 +94,7 @@
       "flag": "Georgia_US"
     },
     {
-      "coordinates": [420, 1209],
+      "coordinates": [250, 1200],
       "name": "Hawaii",
       "strength": 1,
       "flag": "Hawaii"
@@ -286,7 +286,7 @@
       "flag": "polar_bears"
     },
     {
-      "coordinates": [1480, 343],
+      "coordinates": [1480, 350],
       "name": "Frost Giants",
       "strength": 3,
       "flag": "frost_giant"

resources/maps/SouthAmerica.json

@@ -1,7 +1,7 @@
 {
   "name": "Americas",
   "width": 1746,
-  "height": 2380,
+  "height": 2378,
   "nations": [
     {
       "coordinates": [438, 58],
@@ -94,7 +94,7 @@
       "flag": "gf"
     },
     {
-      "coordinates": [801, 242],
+      "coordinates": [800, 410],
       "name": "Guyana",
       "strength": 1,
       "flag": "gy"