Removed the use of any and enabled the rule in eslint.

Now according to me the conversion is final.
Testing is required.

overlord/src/app/purchase-entries/purchase-entries.component.spec.ts

@@ -8,12 +8,14 @@ describe('PurchaseEntriesComponent', () => {
   let component: PurchaseEntriesComponent;
   let fixture: ComponentFixture<PurchaseEntriesComponent>;
 
-  beforeEach(waitForAsync(() => {
-    TestBed.configureTestingModule({
-      imports: [ReactiveFormsModule, RouterTestingModule],
-      declarations: [PurchaseEntriesComponent],
-    }).compileComponents();
-  }));
+  beforeEach(
+    waitForAsync(() => {
+      TestBed.configureTestingModule({
+        imports: [ReactiveFormsModule, RouterTestingModule],
+        declarations: [PurchaseEntriesComponent],
+      }).compileComponents();
+    }),
+  );
 
   beforeEach(() => {
     fixture = TestBed.createComponent(PurchaseEntriesComponent);