fix: Remove duplicate imports for strings and time in helper.go

Author: alvarorichard

internal/player/helper.go

@@ -1,12 +1,13 @@
 package player
 
 import (
+	"strings"
+	"time"
+
 	"github.com/charmbracelet/bubbles/key"
 	"github.com/charmbracelet/bubbles/progress"
 	tea "github.com/charmbracelet/bubbletea"
 	"github.com/charmbracelet/lipgloss"
-	"strings"
-	"time"
 )
 
 // Update handles updates to the Bubble Tea model.