Bug#1076503: RM: gcc-10 and gcc-10-*, superseded by newer versions

[Matthias Klose]

Package: ftp.debian.org

Please remove gcc-10 related packages from unstable, superseded by newer 
versions:

  gcc-10
  gcc-10-doc
  gcc-10-cross
  gcc-10-cross-ports
  gcc-10-cross-mipsen