chore(*): Remove unused methods and few lint fixes.

Author: skrustev

projects/igniteui-angular/src/lib/grids/common/crud.service.ts

@@ -50,7 +50,7 @@ export class IgxEditRow {
 }
 
 export class IgxAddRow extends IgxEditRow {
-    public isAddRow: boolean = true;
+    public isAddRow = true;
 
     public createEditEventArgs(includeNewValue = true, event?: Event): IGridEditEventArgs {
         const args = super.createEditEventArgs(includeNewValue, event);

projects/igniteui-angular/src/lib/grids/row.directive.ts

@@ -139,7 +139,9 @@ export class IgxRowDirective<T extends IgxGridBaseDirective & GridType> implemen
     }
 
     public get addRowUI(): any {
-        return this.grid.crudService.row && this.grid.crudService.row.getClassName() === IgxAddRow.name && this.grid.crudService.row.id === this.rowID;
+        return this.grid.crudService.row &&
+            this.grid.crudService.row.getClassName() === IgxAddRow.name &&
+            this.grid.crudService.row.id === this.rowID;
     }
 
     @HostBinding('style.min-height.px')

projects/igniteui-angular/src/lib/services/transaction/base-transaction.ts

@@ -72,10 +72,6 @@ export class IgxBaseTransactionService<T extends Transaction, S extends State> i
         return result;
     }
 
-    public getAggregatedPendingAddChanges(mergeChanges: boolean): T[] {
-        return [];
-    }
-
     /**
      * @inheritdoc
      */

projects/igniteui-angular/src/lib/services/transaction/igx-transaction.ts

@@ -59,17 +59,6 @@ export class IgxTransactionService<T extends Transaction, S extends State> exten
         return result;
     }
 
-    public getAggregatedPendingAddChanges(mergeChanges: boolean): T[] {
-        const result: T[] = [];
-        this._pendingStates.forEach((state: S, key: any) => {
-            if (state.type === TransactionType.ADD) {
-                const value = mergeChanges ? this.mergeValues(state.recordRef, state.value) : state.value;
-                result.push({ id: key, newValue: value, type: state.type } as T);
-            }
-        });
-        return result;
-    }
-
     /**
      * @inheritdoc
      */

projects/igniteui-angular/src/lib/services/transaction/transaction.ts

@@ -108,8 +108,6 @@ export interface TransactionService<T extends Transaction, S extends State> {
      */
     getAggregatedChanges(mergeChanges: boolean): T[];
 
-    getAggregatedPendingAddChanges(mergeChanges: boolean): T[];
-
     /**
      * Returns the state of the record with provided id
      *