core: remove core_platform build option and remove Null.zig
#3817
| Job | Run time |
|---|---|
| 14m 32s | |
| 4m 10s | |
| 6m 18s | |
| 25m 0s |
core_platform build option and remove Null.zig
#3817
| Job | Run time |
|---|---|
| 14m 32s | |
| 4m 10s | |
| 6m 18s | |
| 25m 0s |