Remove unused packages

Author: adamgraham

Packages/manifest.json

@@ -7,8 +7,6 @@
     "com.unity.2d.spriteshape": "3.0.18",
     "com.unity.2d.tilemap": "1.0.0",
     "com.unity.ide.visualstudio": "2.0.22",
-    "com.unity.mathematics": "1.2.6",
-    "com.unity.test-framework": "1.1.33",
     "com.unity.textmeshpro": "2.1.6",
     "com.unity.ugui": "1.0.0",
     "com.unity.modules.ai": "1.0.0",

Packages/packages-lock.json

@@ -73,7 +73,7 @@
     },
     "com.unity.ext.nunit": {
       "version": "1.0.6",
-      "depth": 1,
+      "depth": 2,
       "source": "registry",
       "dependencies": {},
       "url": "https://packages.unity.com"
@@ -88,15 +88,15 @@
       "url": "https://packages.unity.com"
     },
     "com.unity.mathematics": {
-      "version": "1.2.6",
-      "depth": 0,
+      "version": "1.1.0",
+      "depth": 1,
       "source": "registry",
       "dependencies": {},
       "url": "https://packages.unity.com"
     },
     "com.unity.test-framework": {
-      "version": "1.1.33",
-      "depth": 0,
+      "version": "1.1.31",
+      "depth": 1,
       "source": "registry",
       "dependencies": {
         "com.unity.ext.nunit": "1.0.6",