brlcad build.patch

--- db/nist/CMakeLists.txt
+++ db/nist/CMakeLists.txt
@@ -1,11 +1,4 @@
 set(NIST_SAMPLE_STEP_MODELS
-  NIST_MBE_PMI_1.stp
-  NIST_MBE_PMI_2.stp
-  NIST_MBE_PMI_3.stp
-  NIST_MBE_PMI_4.stp
-  NIST_MBE_PMI_5.stp
-  NIST_MBE_PMI_6.stp
-  NIST_MBE_PMI_11.stp
 )
 set(NIST_SAMPLE_3DM_MODELS
   NIST_MBE_PMI_7-10.3dm