box75: fix key positioning in info.json (#12256)

* fix key positioning for box75

keyboards/box75/info.json

@@ -71,7 +71,8 @@
                 {"x":12.75, "y":3.25, "w":2.25},
                 {"x":15.25, "y":3.25},
 
-                {"x":0, "y":4.25, "w":2.25},
+                {"x":0, "y":4.25, "w":1.25},
+                {"x":1.25, "y":4.25},
                 {"x":2.25, "y":4.25},
                 {"x":3.25, "y":4.25},
                 {"x":4.25, "y":4.25},
@@ -90,9 +91,8 @@
                 {"x":1.25, "y":5.25, "w":1.25},
                 {"x":2.5, "y":5.25, "w":1.25},
                 {"x":3.75, "y":5.25, "w":6.25},
-                {"x":10, "y":5.25},
-                {"x":11, "y":5.25},
-                {"x":12, "y":5.25},
+                {"x":10, "y":5.25, "w":1.5},
+                {"x":11.5, "y":5.25, "w":1.5},
                 {"x":13.125, "y":5.375},
                 {"x":14.125, "y":5.375},
                 {"x":15.125, "y":5.375}