[extension/jaegerremotesampling] remove misleading agent endpoint

.chloggen/remove_misleading_jaegerremotesampling_endpoint.yaml

@@ -0,0 +1,16 @@
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: bug_fix
+
+# The name of the component, or a single word describing the area of concern, (e.g. filelogreceiver)
+component: extension/jaegerremotesampling
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Remove misleading http endpoint from jaegerremotesampling extension.
+
+# One or more tracking issues related to the change
+issues: [18058]
+
+# (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:

extension/jaegerremotesampling/internal/http.go

@@ -58,9 +58,6 @@ func NewHTTP(telemetry component.TelemetrySettings, settings confighttp.HTTPServ
 	}
 
 	srv.mux = http.NewServeMux()
-	// the legacy endpoint
-	srv.mux.Handle("/", http.HandlerFunc(srv.samplingStrategyHandler))
-
 	// the new endpoint -- not strictly necessary, as the previous one would match it
 	// already, but good to have it explicit here
 	srv.mux.Handle("/sampling", http.HandlerFunc(srv.samplingStrategyHandler))

extension/jaegerremotesampling/internal/http_test.go

@@ -56,10 +56,6 @@ func TestEndpointsAreWired(t *testing.T) {
 		desc     string
 		endpoint string
 	}{
-		{
-			desc:     "legacy",
-			endpoint: "/",
-		},
 		{
 			desc:     "new",
 			endpoint: "/sampling",