Removed unused metadata from levels

levels/1/metadata.json

@@ -1,6 +1,4 @@
   {
-    "title": "A second example",
-    "language": "Python",
     "instructions": "instructions.md",
     "starter_code": "starter_code.py"
   }

levels/2/metadata.json

@@ -1,6 +1,4 @@
   {
-    "title": "Predict the Season",
-    "language": "Python",
     "instructions": "instructions.md",
     "starter_code": "starter_code.py"
   }

levels/3/metadata.json

@@ -1,6 +1,4 @@
   {
-    "title": "Cakes, Cookies, and Pies in 2D Arrays",
-    "language": "Python",
     "instructions": "instructions.md",
     "starter_code": "starter_code.py"
   }