[exporter/parquet] remove Parquet exporter (open-telemetry#27285)

**Description:**
Remove the parquet exporter

**Link to tracking Issue:**
Fixes open-telemetry#27284

.chloggen/remove-parquet-exporter.yaml

@@ -0,0 +1,27 @@
+# Use this changelog template to create an entry for release notes.
+
+# 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: parquetexporter
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Remove the parquet exporter
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+issues: [27284]
+
+# (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:
+
+# If your change doesn't affect end users or the exported elements of any package,
+# you should instead start your pull request title with [chore] or use the "Skip Changelog" label.
+# Optional: The change log or logs in which this entry should be included.
+# e.g. '[user]' or '[user, api]'
+# Include 'user' if the change is relevant to end users.
+# Include 'api' if there is a change to a library API.
+# Default: '[user]'
+change_logs: []

.github/CODEOWNERS

@@ -72,7 +72,6 @@ exporter/lokiexporter/                                                  @open-te
 exporter/mezmoexporter/                                                 @open-telemetry/collector-contrib-approvers @dashpole @billmeyer @gjanco
 exporter/opencensusexporter/                                            @open-telemetry/collector-contrib-approvers @open-telemetry/collector-approvers
 exporter/opensearchexporter/                                            @open-telemetry/collector-contrib-approvers @Aneurysm9 @MitchellGale @MaxKsyunz @YANG-DB
-exporter/parquetexporter/                                               @open-telemetry/collector-contrib-approvers @atoulme
 exporter/prometheusexporter/                                            @open-telemetry/collector-contrib-approvers @Aneurysm9
 exporter/prometheusremotewriteexporter/                                 @open-telemetry/collector-contrib-approvers @Aneurysm9 @rapphil
 exporter/pulsarexporter/                                                @open-telemetry/collector-contrib-approvers @dmitryax @dao-jun

.github/ISSUE_TEMPLATE/bug_report.yaml

@@ -65,7 +65,6 @@ body:
       - exporter/mezmo
       - exporter/opencensus
       - exporter/opensearch
-      - exporter/parquet
       - exporter/prometheus
       - exporter/prometheusremotewrite
       - exporter/pulsar

.github/ISSUE_TEMPLATE/feature_request.yaml

@@ -59,7 +59,6 @@ body:
       - exporter/mezmo
       - exporter/opencensus
       - exporter/opensearch
-      - exporter/parquet
       - exporter/prometheus
       - exporter/prometheusremotewrite
       - exporter/pulsar

.github/ISSUE_TEMPLATE/other.yaml

@@ -59,7 +59,6 @@ body:
       - exporter/mezmo
       - exporter/opencensus
       - exporter/opensearch
-      - exporter/parquet
       - exporter/prometheus
       - exporter/prometheusremotewrite
       - exporter/pulsar

.github/dependabot.yml

@@ -7,6 +7,16 @@ updates:
     schedule:
       interval: "weekly"
       day: "wednesday"
+  - package-ecosystem: "gomod"
+    directory: "/cmd/mdatagen"
+    schedule:
+      interval: "weekly"
+      day: "wednesday"
+  - package-ecosystem: "gomod"
+    directory: "/cmd/opampsupervisor"
+    schedule:
+      interval: "weekly"
+      day: "wednesday"
   - package-ecosystem: "gomod"
     directory: "/cmd/otelcontribcol"
     schedule:
@@ -217,11 +227,6 @@ updates:
     schedule:
       interval: "weekly"
       day: "wednesday"
-  - package-ecosystem: "gomod"
-    directory: "/exporter/parquetexporter"
-    schedule:
-      interval: "weekly"
-      day: "wednesday"
   - package-ecosystem: "gomod"
     directory: "/exporter/prometheusexporter"
     schedule:
@@ -267,11 +272,6 @@ updates:
     schedule:
       interval: "weekly"
       day: "wednesday"
-  - package-ecosystem: "gomod"
-    directory: "/exporter/syslogexporter"
-    schedule:
-      interval: "weekly"
-      day: "wednesday"
   - package-ecosystem: "gomod"
     directory: "/exporter/tanzuobservabilityexporter"
     schedule: