change to .NET4

ProjectSettings/GraphicsSettings.asset

   - {fileID: 10770, guid: 0000000000000000f000000000000000, type: 0}
   - {fileID: 16000, guid: 0000000000000000f000000000000000, type: 0}
   - {fileID: 17000, guid: 0000000000000000f000000000000000, type: 0}
+  - {fileID: 16002, guid: 0000000000000000f000000000000000, type: 0}
   m_PreloadedShaders: []
   m_SpritesDefaultMaterial: {fileID: 10754, guid: 0000000000000000f000000000000000,
     type: 0}

ProjectSettings/ProjectSettings.asset

     hololens:
       depthFormat: 1
       depthBufferSharingEnabled: 0
+    lumin:
+      depthFormat: 0
+      frameTiming: 2
+      enableGLCache: 0
+      glCacheMaxBlobSize: 524288
+      glCacheMaxFileSize: 8388608
+  isWsaHolographicRemotingEnabled: 0
   protectGraphicsMemory: 0
   enableFrameTimingStats: 0
   useHDRDisplay: 0
   clonedFromGUID: 00000000000000000000000000000000
   templatePackageId: 
   templateDefaultScene: 
-  AndroidTargetArchitectures: 5
+  AndroidTargetArchitectures: 1
   AndroidSplashScreenScale: 0
   androidSplashScreen: {fileID: 0}
   AndroidKeystoreName: 
     height: 180
     banner: {fileID: 0}
   androidGamepadSupportLevel: 0
-  AndroidJvmMaxHeapSize: 4096
   resolutionDialogBanner: {fileID: 0}
   m_BuildTargetIcons: []
   m_BuildTargetPlatformIcons:
   m_BuildTargetEnableVuforiaSettings: []
   openGLRequireES31: 1
   openGLRequireES31AEP: 0
+  openGLRequireES32: 0
   m_TemplateCustomTags: {}
   mobileMTRendering:
     Android: 1
   switchAllowsVideoCapturing: 1
   switchAllowsRuntimeAddOnContentInstall: 0
   switchDataLossConfirmation: 0
+  switchUserAccountLockEnabled: 0
   switchSupportedNpadStyles: 3
   switchNativeFsCacheSize: 32
   switchIsHoldTypeHorizontal: 0
     28: UNITY_POST_PROCESSING_STACK_V2
   platformArchitecture: {}
   scriptingBackend:
-    Standalone: 1
+    Standalone: 0
   il2cppCompilerConfiguration: {}
   managedStrippingLevel: {}
   incrementalIl2cppBuild: {}
-  gcMaxTimeSlice: 0
+  gcIncremental: 0
-    iOS: 3
+    iOS: 6
   m_RenderingPath: 1
   m_MobileRenderingPath: 1
   metroPackageName: BoatAttack