refactor: Remove dashboard title from markdown generation and related tests

Author: awcodify

presentation/markdown_generator.go

@@ -29,8 +29,6 @@ func (m *MarkdownGenerator) Generate(stats *domain.ProfileStats) string {
 	// Modern Header with Gradient Effect
 	lines = append(lines, "<div align=\"center\">")
 	lines = append(lines, "")
-	lines = append(lines, "# 📊 Git Insights Dashboard")
-	lines = append(lines, "")
 	lines = append(lines, "[![Profile Stats](https://img.shields.io/badge/Git-Insights-blueviolet?style=for-the-badge&logo=github)](https://github.com/awcodify/GitInsights)")
 	lines = append(lines, "")
 	lines = append(lines, "</div>")

presentation/markdown_generator_test.go

@@ -51,11 +51,6 @@ func TestMarkdownGeneration(t *testing.T) {
 		t.Error("Expected end marker in markdown")
 	}
 
-	// Check for content
-	if !strings.Contains(markdown, "Git Insights Dashboard") {
-		t.Error("Expected dashboard title in markdown")
-	}
-
 	if !strings.Contains(markdown, "Language Distribution") {
 		t.Error("Expected language distribution section")
 	}