fix summary export samples config generators (#3166)

Co-authored-by: Stamen Stoychev <sstoychev@infragistics.com>

Author: onlyexeption

live-editing/configs/GridConfigGenerator.ts

@@ -1416,7 +1416,7 @@ export class GridConfigGenerator implements IConfigGenerator {
             appModuleConfig: new AppModuleConfig({
                 imports: ['IgxGridModule', 'GridSummaryExportComponent', 'IgxPreventDocumentScrollModule', 'IgxExcelExporterService'],
                 ngDeclarations: ['GridSummaryExportComponent'],
-                ngImports: ['IgxPreventDocumentScrollModule', 'IgxGridModule', 'IgxExcelExporterService'],
+                ngImports: ['IgxPreventDocumentScrollModule', 'IgxGridModule'],
                 ngProviders: ['IgxExcelExporterService']
             })
         }));

live-editing/configs/HierarchicalGridConfigGenerator.ts

@@ -1005,7 +1005,7 @@ export class HierarchicalGridConfigGenerator implements IConfigGenerator {
             appModuleConfig: new AppModuleConfig({
                 imports: ['IgxHierarchicalGridModule', 'HGridSummaryExportComponent', 'IgxPreventDocumentScrollModule', 'IgxExcelExporterService'],
                 ngDeclarations: ['HGridSummaryExportComponent'],
-                ngImports: ['IgxPreventDocumentScrollModule', 'IgxHierarchicalGridModule', 'IgxExcelExporterService'],
+                ngImports: ['IgxPreventDocumentScrollModule', 'IgxHierarchicalGridModule'],
                 ngProviders: ['IgxExcelExporterService']
             }),
             component: 'HGridSummaryExportComponent'

live-editing/configs/TreeGridConfigGenerator.ts

@@ -1206,7 +1206,7 @@ export class TreeGridConfigGenerator implements IConfigGenerator {
             appModuleConfig: new AppModuleConfig({
                 imports: ['IgxPreventDocumentScrollModule', 'IgxTreeGridModule', 'TreeGridSummaryExportComponent', 'IgxIconModule', 'IgxExcelExporterService'],
                 ngDeclarations: ['TreeGridSummaryExportComponent'],
-                ngImports: ['IgxPreventDocumentScrollModule', 'IgxTreeGridModule', 'IgxIconModule', 'IgxExcelExporterService'],
+                ngImports: ['IgxPreventDocumentScrollModule', 'IgxTreeGridModule', 'IgxIconModule'],
                 ngProviders: ['IgxExcelExporterService']
             }),
             component: 'TreeGridSummaryExportComponent',