BLIS: Incorrect ifdef in cblas.h and cblas_f77.h

Remove unnecessary ifdef BLIS_ENABLE_CBLAS statement from cblas.h
and cblas_f77.h. These were erroneously added when fixing the
--disable-blas functionality but are not needed in the CBLAS
headers, as these files will not be generated when BLAS or CBLAS
is disabled.

This is a fix to commit 5bd2a77

AMD-Internal: [CPUPL-3541]
Change-Id: If38bd795d31098a7023d575672b0a913338c0d2d
(cherry picked from commit 94a4abe)

Author: edwsmyth

frame/compat/cblas/src/cblas.h

@@ -28,8 +28,6 @@
 
 */
 
-#ifdef BLIS_ENABLE_CBLAS
-
 #ifndef CBLAS_H
 #define CBLAS_H
 #include <stddef.h>
@@ -999,5 +997,3 @@ BLIS_EXPORT_BLAS f77_int cblas_izamin(f77_int N, const void   *X, f77_int incX);
 }
 #endif
 #endif
-
-#endif // BLIS_ENABLE_CBLAS

frame/compat/cblas/src/cblas_f77.h

@@ -11,8 +11,6 @@
  *
  */
 
-#ifdef BLIS_ENABLE_CBLAS
-
 #ifndef CBLAS_F77_H
 #define CBLAS_F77_H
 
@@ -394,5 +392,3 @@
 #endif
 
 #endif /*  CBLAS_F77_H */
-
-#endif // BLIS_ENABLE_CBLAS