peak fragmentation ratio removed as it is a confusing field for users and...

peak fragmentation ratio removed as it is a confusing field for users and trivial to compute at hand now that there is peak memory information in INFO output

src/redis.c

@@ -1317,7 +1317,6 @@ sds genRedisInfoString(char *section) {
             "used_memory_peak:%zu\r\n"
             "used_memory_peak_human:%s\r\n"
             "mem_fragmentation_ratio:%.2f\r\n"
-            "peak_mem_fragmentation_ratio:%.2f\r\n"
             "use_tcmalloc:%d\r\n",
             zmalloc_used_memory(),
             hmem,
@@ -1325,7 +1324,6 @@ sds genRedisInfoString(char *section) {
             server.stat_peak_memory,
             peak_hmem,
             zmalloc_get_fragmentation_ratio(),
-            (float)zmalloc_get_rss()/server.stat_peak_memory,
     #ifdef USE_TCMALLOC
             1
     #else