fix(server/api/test): drop unused 'context' imports A3 sed left behind

internal/api/events_test.go

@@ -2,7 +2,6 @@ package api
 
 import (
 	"bytes"
-	"context"
 	"encoding/json"
 	"net/http"
 	"net/http/httptest"

internal/api/me_test.go

@@ -1,7 +1,6 @@
 package api
 
 import (
-	"context"
 	"encoding/json"
 	"net/http"
 	"net/http/httptest"