minor tidy of files

MaterialGraphProject/Assets/UnityShaderEditor/Editor/Drawing/Presenters/mur_Ambiant.bmp.meta

-fileFormatVersion: 2
-guid: b5a88303611082242a4eb08e645752d2
-timeCreated: 1495717081
-licenseType: Pro
-TextureImporter:
-  fileIDToRecycleName: {}
-  serializedVersion: 4
-  mipmaps:
-    mipMapMode: 0
-    enableMipMap: 1
-    sRGBTexture: 1
-    linearTexture: 0
-    fadeOut: 0
-    borderMipMap: 0
-    mipMapsPreserveCoverage: 0
-    alphaTestReferenceValue: 0.5
-    mipMapFadeDistanceStart: 1
-    mipMapFadeDistanceEnd: 3
-  bumpmap:
-    convertToNormalMap: 0
-    externalNormalMap: 0
-    heightScale: 0.25
-    normalMapFilter: 0
-  isReadable: 0
-  grayScaleToAlpha: 0
-  generateCubemap: 6
-  cubemapConvolution: 0
-  seamlessCubemap: 0
-  textureFormat: 1
-  maxTextureSize: 2048
-  textureSettings:
-    serializedVersion: 2
-    filterMode: -1
-    aniso: -1
-    mipBias: -1
-    wrapU: -1
-    wrapV: -1
-    wrapW: -1
-  nPOTScale: 1
-  lightmap: 0
-  compressionQuality: 50
-  spriteMode: 0
-  spriteExtrude: 1
-  spriteMeshType: 1
-  alignment: 0
-  spritePivot: {x: 0.5, y: 0.5}
-  spriteBorder: {x: 0, y: 0, z: 0, w: 0}
-  spritePixelsToUnits: 100
-  alphaUsage: 1
-  alphaIsTransparency: 0
-  spriteTessellationDetail: -1
-  textureType: 0
-  textureShape: 1
-  maxTextureSizeSet: 0
-  compressionQualitySet: 0
-  textureFormatSet: 0
-  platformSettings:
-  - buildTarget: DefaultTexturePlatform
-    maxTextureSize: 2048
-    resizeAlgorithm: 0
-    textureFormat: -1
-    textureCompression: 1
-    compressionQuality: 50
-    crunchedCompression: 0
-    allowsAlphaSplitting: 0
-    overridden: 0
-  spriteSheet:
-    serializedVersion: 2
-    sprites: []
-    outline: []
-    physicsShape: []
-  spritePackingTag: 
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: