nightly: don't check dmake version, now it's ours

@@ -214,14 +214,10 @@
 # difference in the lint output. 'y' should only be used if the area you're
 # linting is actually lint clean or you'll get lots of mail.
 # You shouldn't need to change this though.
 #export LINTDIRS="$SRC y"
 
-# Set this flag to 'n' to disable the automatic validation of the dmake
-# version in use.  The default is to check it.
-#CHECK_DMAKE='y'
-
 # Set this flag to 'n' to disable the use of 'checkpaths'.  The default,
 # if the 'N' option is not specified, is to run this test.
 #CHECK_PATHS='y'
 
 # POST_NIGHTLY can be any command to be run at the end of nightly.  See