Revert "Update to 2018.3.0f2"

This reverts commit 6db81474a5.

Packages/manifest.json

@@ -1,40 +0,0 @@
-{
-  "dependencies": {
-    "com.unity.ads": "2.3.1",
-    "com.unity.analytics": "3.2.2",
-    "com.unity.collab-proxy": "1.2.15",
-    "com.unity.package-manager-ui": "2.0.3",
-    "com.unity.purchasing": "2.0.3",
-    "com.unity.textmeshpro": "1.3.0",
-    "com.unity.modules.ai": "1.0.0",
-    "com.unity.modules.animation": "1.0.0",
-    "com.unity.modules.assetbundle": "1.0.0",
-    "com.unity.modules.audio": "1.0.0",
-    "com.unity.modules.cloth": "1.0.0",
-    "com.unity.modules.director": "1.0.0",
-    "com.unity.modules.imageconversion": "1.0.0",
-    "com.unity.modules.imgui": "1.0.0",
-    "com.unity.modules.jsonserialize": "1.0.0",
-    "com.unity.modules.particlesystem": "1.0.0",
-    "com.unity.modules.physics": "1.0.0",
-    "com.unity.modules.physics2d": "1.0.0",
-    "com.unity.modules.screencapture": "1.0.0",
-    "com.unity.modules.terrain": "1.0.0",
-    "com.unity.modules.terrainphysics": "1.0.0",
-    "com.unity.modules.tilemap": "1.0.0",
-    "com.unity.modules.ui": "1.0.0",
-    "com.unity.modules.uielements": "1.0.0",
-    "com.unity.modules.umbra": "1.0.0",
-    "com.unity.modules.unityanalytics": "1.0.0",
-    "com.unity.modules.unitywebrequest": "1.0.0",
-    "com.unity.modules.unitywebrequestassetbundle": "1.0.0",
-    "com.unity.modules.unitywebrequestaudio": "1.0.0",
-    "com.unity.modules.unitywebrequesttexture": "1.0.0",
-    "com.unity.modules.unitywebrequestwww": "1.0.0",
-    "com.unity.modules.vehicles": "1.0.0",
-    "com.unity.modules.video": "1.0.0",
-    "com.unity.modules.vr": "1.0.0",
-    "com.unity.modules.wind": "1.0.0",
-    "com.unity.modules.xr": "1.0.0"
-  }
-}

ProjectSettings/PresetManager.asset

@@ -1,6 +0,0 @@
-%YAML 1.1
-%TAG !u! tag:unity3d.com,2011:
---- !u!1386491679 &1
-PresetManager:
-  m_ObjectHideFlags: 0
-  m_DefaultList: []

ProjectSettings/ProjectVersion.txt

@@ -1 +1 @@
-m_EditorVersion: 2018.3.0f2
+m_EditorVersion: 2017.1.5f1

ProjectSettings/VFXManager.asset

@@ -1,11 +0,0 @@
-%YAML 1.1
-%TAG !u! tag:unity3d.com,2011:
---- !u!937362698 &1
-VFXManager:
-  m_ObjectHideFlags: 0
-  m_IndirectShader: {fileID: 0}
-  m_CopyBufferShader: {fileID: 0}
-  m_SortShader: {fileID: 0}
-  m_RenderPipeSettingsPath: 
-  m_FixedTimeStep: 0.016666668
-  m_MaxDeltaTime: 0.05

UnityPackageManager/manifest.json

@@ -0,0 +1,4 @@
+{
+	"dependencies": {
+	}
+}