Use clProgramWrapper in math_brute_force (#1451)

Simplify code by avoiding manual resource management.

This allows removing clReleaseProgram from `MakeKernels` to reduce
behavioral differences between `MakeKernels` and `MakeKernel`.

Original patch by Marco Antognini.

Signed-off-by: Marco Antognini <marco.antognini@arm.com>
Signed-off-by: Sven van Haastregt <sven.vanhaastregt@arm.com>

test_conformance/math_brute_force/main.cpp

@@ -1092,7 +1092,6 @@ int MakeKernels(const char **c, cl_uint count, const char *name,
             clGetProgramBuildInfo(*p, gDevice, CL_PROGRAM_BUILD_LOG,
                                   sizeof(buffer), buffer, NULL);
             vlog_error("Log: %s\n", buffer);
-            clReleaseProgram(*p);
             return error;
         }
     }