remove old ReleaseNotes file

doc/ChangeLog

@@ -1,26 +1,32 @@
 ===============================================================
 
-Tag name:
+Tag name: cam6_4_067
 Originator(s): eaton
 Date:
 One-line Summary: Remove SP-CAM
-Github PR URL:
+Github PR URL: https://github.com/ESCOMP/CAM/pull/1217
 
 Purpose of changes (include the issue number and title text for each relevant GitHub issue):
 
 Resolve #1171 - Remove SP-CAM from cam_development
 
 Describe any changes made to build system:
+. remove spcam build options
 
-Describe any changes made to the namelist:
+Describe any changes made to the namelist: 
+. remove spcam namelist options
 
-List any changes to the defaults for the boundary datasets:
+List any changes to the defaults for the boundary datasets: none
 
-Describe any substantial timing or memory changes:
+Describe any substantial timing or memory changes: none
 
-Code reviewed by:
+Code reviewed by: cacraig
 
 List all files eliminated:
+doc/ReleaseNotes
+. This file hasn't been updated since cam5.4.  Put this information
+  somewhere else.
+
 src/physics/cam/spcam_drivers.F90
 src/physics/spcam/*
 src/physics/spcam/crm/*
@@ -102,7 +108,6 @@ src/physics/cam/pkg_cldoptics.F90
 src/physics/cam/vertical_diffusion.F90
 . remove dependecies on SPCAM_sam1mom and SPCAM_m2005
 
-
 If there were any failures reported from running test_driver.sh on any test
 platform, and checkin with these failures has been OK'd by the gatekeeper,
 then copy the lines from the td.*.status files for the failed tests to the