Update git submodules

* Update docs/submodules/clamp.git from branch 'master'
  to 4be1c3f2008b1b650a659d8433348a90a8a87159
  - Merge "Removal of useless test files"
  - Removal of useless test files
    
    Removal of all useless test files not used anymore by any test
    
    Issue-ID: CLAMP-854
    Signed-off-by: sebdet <sebastien.determe@intl.att.com>
    Change-Id: Ic273c2f2ef0eac4ae42174b954ebd4d3d70e5e23
    
1 file changed