Remove 404 Not Found manifest: RProject.R (4.0.3) (#8133)

manifests/RProject/R/4.0.3.yaml

@@ -1,20 +0,0 @@
-Id: RProject.R
-Publisher: RProject
-Name: RProject R
-AppMoniker: R
-Version: 4.0.3
-License: GNU General Public License, version 2
-LicenseUrl: https://www.r-project.org/COPYING
-Description: Precompiled binary distribution of the base system and contributed packages of R, a programming language and free software environment for statistical computing and graphics.
-Homepage: https://www.r-project.org/
-Tags: rstats
-InstallerType: inno
-Switches:
-  InstallLocation: /DIR=<INSTALLPATH>
-  Silent: /SILENT
-  SilentWithProgress: /VERYSILENT
-Installers:
-  - Arch: x64
-    Url: https://cloud.r-project.org/bin/windows/base/R-4.0.3-win.exe
-    Sha256: 966e97db3e074356fc29f51a2b2c856d95c7eb30953b71297fbc5a3d01c34d8f
-ManifestVersion: 0.1.0