remove commented-out references to cPersistence.h

src/BTrees/SETUP.cfg

@@ -8,8 +8,6 @@
 <extension _fsBTree>
   source     _fsBTree.c
 
-  #depends-on cPersistence.h
-
   # Specialization:
   define     EXCLUDE_INTSET_SUPPORT
 
@@ -29,8 +27,6 @@
 <extension _IIBTree>
   source     _IIBTree.c
 
-  #depends-on cPersistence.h
-
   # Specialization:
   define     EXCLUDE_INTSET_SUPPORT
   depends-on intkeymacros.h
@@ -52,8 +48,6 @@
 <extension _IOBTree>
   source     _IOBTree.c
 
-  #depends-on cPersistence.h
-
   # Specialization:
   define     EXCLUDE_INTSET_SUPPORT
   depends-on intkeymacros.h
@@ -75,8 +69,6 @@
 <extension _OIBTree>
   source     _OIBTree.c
 
-  #depends-on cPersistence.h
-
   # Specialization:
   depends-on objectkeymacros.h
   depends-on intvaluemacros.h
@@ -97,8 +89,6 @@
 <extension _OOBTree>
   source     _OOBTree.c
 
-  #depends-on cPersistence.h
-
   # Specialization:
   depends-on objectkeymacros.h
   depends-on objectvaluemacros.h