staging: csr: remove CsrMutexDestroy function

this function never gets called from anywhere, so remove this too.
Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/csr/csr_framework_ext.c

@@ -45,21 +45,6 @@ CsrResult CsrMutexCreate(CsrMutexHandle *mutexHandle)
     return CSR_RESULT_SUCCESS;
 }
 
-/*----------------------------------------------------------------------------*
- *  NAME
- *      CsrMutexDestroy
- *
- *  DESCRIPTION
- *      Destroy the previously created mutex.
- *
- *  RETURNS
- *      void
- *
- *----------------------------------------------------------------------------*/
-void CsrMutexDestroy(CsrMutexHandle *mutexHandle)
-{
-}
-
 /*----------------------------------------------------------------------------*
  *  NAME
  *      CsrThreadSleep

drivers/staging/csr/csr_framework_ext.h

@@ -111,19 +111,6 @@ void CsrEventDestroy(CsrEventHandle *eventHandle);
  *----------------------------------------------------------------------------*/
 CsrResult CsrMutexCreate(CsrMutexHandle *mutexHandle);
 
-/*----------------------------------------------------------------------------*
- *  NAME
- *      CsrMutexDestroy
- *
- *  DESCRIPTION
- *      Destroy the previously created mutex.
- *
- *  RETURNS
- *      void
- *
- *----------------------------------------------------------------------------*/
-void CsrMutexDestroy(CsrMutexHandle *mutexHandle);
-
 /*----------------------------------------------------------------------------*
  *  NAME
  *      CsrGlobalMutexUnlock