revert unused code

Author: hipudding

ggml/src/ggml.c

@@ -1758,7 +1758,6 @@ struct ggml_compute_params {
     // ith = thread index, nth = number of threads
     int ith, nth;
 
-
     // work buffer for all threads	
     size_t wsize;	
     void * wdata;