ShyLU: Remove redundant TriBITS includes (#489)

This removes clutter and speeds up configures.  See #489.

Build/Test Cases Summary
Enabled Packages: Belos, Domi, Intrepid2, MueLu, Phalanx, Pike, PikeBlackBox, PikeImplicit, ROL, Sacado, ShyLUBDDC, Stokhos, Xpetra
Disabled Packages: PyTrilinos,Pliris,Claps,TriKota
Enabled all Forward Packages
0) MPI_DEBUG => Test case MPI_DEBUG was not run! => Does not affect push readiness! (-1.00 min)
1) SERIAL_RELEASE => Test case SERIAL_RELEASE was not run! => Does not affect push readiness! (-1.00 min)
2) MPI_RELEASE_DEBUG_SHARED_ST => passed: passed=1823,notpassed=0 (372.70 min)
Other local commits for this build/test group: dab529c, 70511c3, 8f491b6, 006799f, 255616c, daf5ef3, f4d67f7, b6dd0b3, 4eacf05, 42bf667, 487c157

packages/shylu/bddc/test/CMakeLists.txt

@@ -1,4 +1,3 @@
-INCLUDE(TribitsAddExecutableAndTest)
 
 INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
 INCLUDE_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR})