cleans up bsp read and write for ISS

env/iss/bsp_write.c

@@ -18,13 +18,6 @@ ssize_t _bsp_write(int fd, const void *ptr, size_t len) {
     payload[2] = (uintptr_t)ptr;
     payload[3] = len;
     tohost = (uintptr_t)payload;
-    /*
-    // accoring to my understading this part is used fot uart wrrite for later
-        for (size_t jj = 0; jj < len; jj++) {
-    *((uint32_t *)0xFFFF0000) = current[jj];
-  }
-    */
-
     return len;
   }