Remove SPDY_CODE_COUNT_N(decompress_failure*).
Remove SPDY_CODE_COUNT_N(decompress_failure*).

gfe-relnote: n/a, remove code count.
PiperOrigin-RevId: 309764388
Change-Id: I968bc5a9450b92b5f22ef038ff0793f30f9ccdd8

google/quiche,google/quiche,google/quiche,google/quiche