removed unused methods and data

src/ca/cacNotify.cpp

@@ -12,8 +12,6 @@
 
 #include "iocinf.h"
 
-osiMutex cacNotify::defaultMutex;
-
 cacNotify::cacNotify () : pIO (0)
 {
 }
@@ -27,16 +25,6 @@ cacNotify::~cacNotify ()
     }
 }
 
-void cacNotify::lock ()
-{
-    this->defaultMutex.lock ();
-}
-
-void cacNotify::unlock ()
-{
-    this->defaultMutex.unlock ();
-}
-
 void cacNotify::completionNotify ()
 {
     ca_printf ("CAC: IO completion with no handler installed?\n");