[visual-studio-code-bin] Remove code.png

This was a workaround for an Xfce bug [1] which is fixed upstream.

[1] https://bugzilla.xfce.org/show_bug.cgi?id=15294

.SRCINFO

@@ -1,7 +1,7 @@
 pkgbase = visual-studio-code-bin
 	pkgdesc = Visual Studio Code (vscode): Editor for building and debugging modern web and cloud applications (official binary version)
 	pkgver = 1.38.1
-	pkgrel = 2
+	pkgrel = 3
 	url = https://code.visualstudio.com/
 	arch = x86_64
 	license = custom: commercial
@@ -25,11 +25,9 @@ pkgbase = visual-studio-code-bin
 	source = code_x64_1.38.1.tar.gz::https://vscode-update.azurewebsites.net/1.38.1/linux-x64/stable
 	source = visual-studio-code.desktop
 	source = visual-studio-code-url-handler.desktop
-	source = code.png
 	sha256sums = 589b28d957d811d4b08cbb900270937719af6044ffc6219c813f6282c5efaaf3
 	sha256sums = 488592034dd5f979083bbd80788d33e253bb3ac3e52d50faee80e715a924a212
 	sha256sums = 727adaf263801462744c65bc0fad1b64ab31b3c96ed1a11e5b61bffbd5d71bc7
-	sha256sums = 7537330cec94b308feaa9bb66db45b5554b8379ec7dce83990521d2860bca4b2
 
 pkgname = visual-studio-code-bin