Telerik Web Parts for SharePoint 2010 last build was R1 2023 SP2 and is discontinued since then.
You can easily remove certain options and tools from the Table Properties dialog. For example, you may want to remove options like cellspacing, cellpadding and alignment in case these are specified by the CSS class.
Extract the edit the EditorDialogs folder from the RadEditor installation files in the
C:\Program Files\Common Files\Microsoft Shared\web server extensions\wpresources\RadEditorSharePoint\6.x.x.0**1f131a624888eeed\Resourcesdirectory.
Open the ConfigFile.xml or ListConfigFile.xml (depending on your exact scenario) which is located in the following folder (
/Program Files/Common Files/Microsoft Shared/web server extensions/wpresources/RadEditorSharePoint/6.x.x.0__1f131a624888eeed/Resources/and set the editor's ExternalDialogsPath property to point to the EditorDialogs folder e.g.):
<configuration> ........ <property name="ExternalDialogsPath">/_wpresources/RadEditorSharePoint/6.x.x.0__1f131a624888eeed/Resources/EditorDialogs</property> ........ </configuration>
Open the TablePropertiesControl.ascx which is located in the EditorDialogs folder and modify it so that to best fix your scenario.