WPF-924506-Removed Collision-State File and Updated trademark

Udpated trademark for "Essential" and "Syncfusion" term

Author: SatishRaj4377

wpf/Diagram/Collision-State.md

@@ -1,6 +1,6 @@
 ---
 layout: post
-title: Supports to drag nodes, connectors and page at runtime | Syncfusion.
+title: Supports to drag nodes, connectors and page at runtime | Syncfusion®
 description: How to drag the nodes and connectors and avoid overlapping of the nodes with connectors during runtime?
 platform: wpf
 control: SfDiagram

wpf/Diagram/Interaction/Dragging/CollisionState.md

@@ -7,7 +7,7 @@ control: SfDiagram
 documentation: ug
 ---
 
-# Overview of Essential WPF Diagram (SfDiagram)
+# Overview of Essential® WPF Diagram (SfDiagram)
 
 Overview control is used to display a preview (overall view) of the entire content of a Diagram. This helps you to look overall picture of large diagram and easy to navigate (pan or zoom) to a particular position of the page.
 

wpf/Diagram/Overview-Control.md

@@ -9,7 +9,7 @@ documentation: ug
 
 # WPF Diagram (SfDiagram) Overview
 
-**Essential Diagram WPF** is a powerful, extensible, and feature-rich library for visualizing, creating, and editing interactive diagrams. It supports creating flowcharts, organizational charts, mind maps, floor plans, UML diagrams, and BPMN charts either through code or a visual interface.
+**Essential® Diagram WPF** is a powerful, extensible, and feature-rich library for visualizing, creating, and editing interactive diagrams. It supports creating flowcharts, organizational charts, mind maps, floor plans, UML diagrams, and BPMN charts either through code or a visual interface.
 
 ![WPF Diagram Overview](Overview_images/wpf-diagram-overview.png)