system: remove windows_system_boot_time_timestamp_seconds (#2112)

internal/collector/process/process.go

@@ -81,8 +81,6 @@ type Collector struct {
 	poolBytes         *prometheus.Desc
 	priorityBase      *prometheus.Desc
 	privateBytes      *prometheus.Desc
-	// Deprecated: Use start_time_seconds_timestamp instead
-	startTimeOld      *prometheus.Desc
 	startTime         *prometheus.Desc
 	threadCount       *prometheus.Desc
 	virtualBytes      *prometheus.Desc
@@ -221,13 +219,6 @@ func (c *Collector) Build(logger *slog.Logger, miSession *mi.Session) error {
 		nil,
 	)
 
-	c.startTimeOld = prometheus.NewDesc(
-		prometheus.BuildFQName(types.Namespace, Name, "start_time"),
-		"DEPRECATED: Use start_time_seconds_timestamp instead",
-		[]string{"process", "process_id"},
-		nil,
-	)
-
 	c.startTime = prometheus.NewDesc(
 		prometheus.BuildFQName(types.Namespace, Name, "start_time_seconds_timestamp"),
 		"Time of process start.",

internal/collector/process/process_worker.go

@@ -146,13 +146,6 @@ func (c *Collector) collectWorker() {
 
 			startTime := float64(time.Now().UnixMicro())/1e6 - data.ElapsedTime
 
-			ch <- prometheus.MustNewConstMetric(
-				c.startTimeOld,
-				prometheus.GaugeValue,
-				startTime,
-				name, pidString,
-			)
-
 			ch <- prometheus.MustNewConstMetric(
 				c.startTime,
 				prometheus.GaugeValue,

internal/collector/system/system.go

@@ -52,10 +52,8 @@ type Collector struct {
 	processes                *prometheus.Desc
 	processesLimit           *prometheus.Desc
 	systemCallsTotal         *prometheus.Desc
-	// Deprecated: Use windows_system_boot_time_timestamp instead
-	bootTimeSeconds *prometheus.Desc
-	bootTime        *prometheus.Desc
-	threads         *prometheus.Desc
+	bootTime                 *prometheus.Desc
+	threads                  *prometheus.Desc
 }
 
 func New(config *Config) *Collector {
@@ -91,12 +89,6 @@ func (c *Collector) Build(_ *slog.Logger, _ *mi.Session) error {
 		nil,
 		nil,
 	)
-	c.bootTimeSeconds = prometheus.NewDesc(
-		prometheus.BuildFQName(types.Namespace, Name, "boot_time_timestamp_seconds"),
-		"Deprecated: Use windows_system_boot_time_timestamp instead",
-		nil,
-		nil,
-	)
 	c.contextSwitchesTotal = prometheus.NewDesc(
 		prometheus.BuildFQName(types.Namespace, Name, "context_switches_total"),
 		"Total number of context switches (WMI source: PerfOS_System.ContextSwitchesPersec)",
@@ -199,12 +191,6 @@ func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
 		c.perfDataObject[0].Threads,
 	)
 
-	ch <- prometheus.MustNewConstMetric(
-		c.bootTimeSeconds,
-		prometheus.GaugeValue,
-		c.bootTimeTimestamp,
-	)
-
 	ch <- prometheus.MustNewConstMetric(
 		c.bootTime,
 		prometheus.GaugeValue,