Cleanup - Lapack to tile

Keep going on with the cleanup of the flush and getoncpu.

I start by the basic function of lapack to tile and tile to lapack. The idea is to remove all workspaces from pz*.c files if possible.

In this MR:

• Remove the asynchronous interface to change the data format. People cans till do it by copy/paste the synchronous one in their own code and using the asynchronous version of zlacpy.
• Remove the pztile.c file
  • Data format converion uses zlacpy
  • ztile_to_zero is a zlaset so no need for duplicated code

control/compute_z.h

@@ -212,7 +212,10 @@ morse_zlap2tile( MORSE_context_t *morse,
         descAt->mat = A;
         /* MORSE_zgecfi_Async( lm, ln, A, MorseCM, mb, nb, */
         /*                     MorseCCRB, mb, nb, seq, req ); */
+        return MORSE_ERR_NOT_SUPPORTED;
     }
+
+    return MORSE_SUCCESS;
 }
 
 /**
@@ -231,16 +234,19 @@ morse_ztile2lap( MORSE_context_t *morse, MORSE_desc_t *descAl, MORSE_desc_t *des
         /* MORSE_zgecfi_Async( descAl->lm, descAl->ln, descAl->mat, */
         /*                     MorseCCRB, descAl->mb, descAl->nb,   */
         /*                     MorseCM, descAl->mb, descAl->nb, seq, req ); */
+        return MORSE_ERR_NOT_SUPPORTED;
     }
     RUNTIME_desc_flush( descAl, seq );
     RUNTIME_desc_flush( descAt, seq );
+
+    return MORSE_SUCCESS;
 }
 
 /**
  * @brief Internal function to cleanup the temporary data from the layout
  * conversions in LAPACK interface calls
  */
-static inline int
+static inline void
 morse_ztile2lap_cleanup( MORSE_context_t *morse, MORSE_desc_t *descAl, MORSE_desc_t *descAt )
 {
     if ( MORSE_TRANSLATION == MORSE_OUTOFPLACE ) {