Bug 1364039 - Remove unused probes HTTP_{DISK,MEMORY,OFFLINE}_CACHE_DISPOSITION_2. r=honzab

These probes are unused since bug 913807 landed.

toolkit/components/telemetry/Histograms.json

@@ -2885,13 +2885,6 @@
     "n_values": 5,
     "description": "HTTP Cache v2 Hit, Reval, Failed-Reval, Miss"
   },
-  "HTTP_DISK_CACHE_DISPOSITION_2": {
-    "record_in_processes": ["main", "content"],
-    "expires_in_version": "never",
-    "kind": "enumerated",
-    "n_values": 5,
-    "description": "HTTP Disk Cache Hit, Reval, Failed-Reval, Miss"
-  },
   "HTTP_CACHE_MISS_HALFLIFE_EXPERIMENT_2": {
     "record_in_processes": ["main", "content"],
     "expires_in_version": "never",
@@ -2923,20 +2916,6 @@
     "n_buckets": 19,
     "description": "Reuse count of an HTTP cache entry warmed in memory"
   },
-  "HTTP_MEMORY_CACHE_DISPOSITION_2": {
-    "record_in_processes": ["main", "content"],
-    "expires_in_version": "never",
-    "kind": "enumerated",
-    "n_values": 5,
-    "description": "HTTP Memory Cache Hit, Reval, Failed-Reval, Miss"
-  },
-  "HTTP_OFFLINE_CACHE_DISPOSITION_2": {
-    "record_in_processes": ["main", "content"],
-    "expires_in_version": "never",
-    "kind": "enumerated",
-    "n_values": 5,
-    "description": "HTTP Offline Cache Hit, Reval, Failed-Reval, Miss"
-  },
   "HTTP_OFFLINE_CACHE_DOCUMENT_LOAD": {
     "record_in_processes": ["main", "content"],
     "expires_in_version": "never",

toolkit/components/telemetry/histogram-whitelists.json

@@ -293,11 +293,8 @@
     "HTTP_CACHE_ENTRY_REUSE_COUNT",
     "HTTP_CACHE_MISS_HALFLIFE_EXPERIMENT_2",
     "HTTP_CONNECTION_ENTRY_CACHE_HIT_1",
-    "HTTP_DISK_CACHE_DISPOSITION_2",
     "HTTP_DISK_CACHE_OVERHEAD",
     "HTTP_KBREAD_PER_CONN",
-    "HTTP_MEMORY_CACHE_DISPOSITION_2",
-    "HTTP_OFFLINE_CACHE_DISPOSITION_2",
     "HTTP_OFFLINE_CACHE_DOCUMENT_LOAD",
     "HTTP_PAGE_CACHE_READ_TIME",
     "HTTP_PAGE_CACHE_READ_TIME_V2",
@@ -1019,11 +1016,8 @@
     "HTTP_CACHE_MISS_HALFLIFE_EXPERIMENT_2",
     "HTTP_CONNECTION_ENTRY_CACHE_HIT_1",
     "HTTP_CONTENT_ENCODING",
-    "HTTP_DISK_CACHE_DISPOSITION_2",
     "HTTP_DISK_CACHE_OVERHEAD",
     "HTTP_KBREAD_PER_CONN",
-    "HTTP_MEMORY_CACHE_DISPOSITION_2",
-    "HTTP_OFFLINE_CACHE_DISPOSITION_2",
     "HTTP_OFFLINE_CACHE_DOCUMENT_LOAD",
     "HTTP_PAGE_CACHE_READ_TIME",
     "HTTP_PAGE_CACHE_READ_TIME_V2",