[receiver/dockerstats] remove memory swap metrics

.chloggen/remove_memory_swap.yaml

@@ -0,0 +1,16 @@
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: deprecation
+
+# The name of the component, or a single word describing the area of concern, (e.g. filelogreceiver)
+component: dockerstatsreceiver
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: "Remove container.memory.total_swap and container.memory.swap metrics as they are not reported by the docker API"
+
+# One or more tracking issues related to the change
+issues: [21190]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:

receiver/dockerstatsreceiver/documentation.md

@@ -462,14 +462,6 @@ Number of bytes of anonymous transparent hugepages in this cgroup.
 | ---- | ----------- | ---------- | ----------------------- | --------- |
 | By | Sum | Int | Cumulative | false |
 
-### container.memory.swap
-
-The amount of swap currently used by the processes in this cgroup.
-
-| Unit | Metric Type | Value Type | Aggregation Temporality | Monotonic |
-| ---- | ----------- | ---------- | ----------------------- | --------- |
-| By | Sum | Int | Cumulative | false |
-
 ### container.memory.total_active_anon
 
 The amount of anonymous memory that has been identified as active by the kernel. Includes descendant cgroups.
@@ -570,14 +562,6 @@ Number of bytes of anonymous transparent hugepages in this cgroup and descendant
 | ---- | ----------- | ---------- | ----------------------- | --------- |
 | By | Sum | Int | Cumulative | false |
 
-### container.memory.total_swap
-
-The amount of swap currently used by the processes in this cgroup and descendant groups.
-
-| Unit | Metric Type | Value Type | Aggregation Temporality | Monotonic |
-| ---- | ----------- | ---------- | ----------------------- | --------- |
-| By | Sum | Int | Cumulative | false |
-
 ### container.memory.total_unevictable
 
 The amount of memory that cannot be reclaimed. Includes descendant cgroups.