message: refactor(animations): remove unused utils function
  The `mergeAnimationOptions` function is no longer used since
  PR Close
diff: @@ -252,23 +252,6 @@ export function iteratorToArray(iterator: any): any[] {
  return arr;
  }
  -export function mergeAnimationOptions(
  - source: AnimationOptions, destination: AnimationOptions): AnimationOptions {
  - if (source.params) {
  - const p0 = source.params;
  - if (!destination.params) {
  - destination.params = {};
  - }
  - const p1 = destination.params;
  - Object.keys(p0).forEach(param => {
  - if (!p1.hasOwnProperty(param)) {
  - p1[param] = p0[param];
  - }
  - });
  - }
  - return destination;
  -}
  -
  const DASH_CASE_REGEXP = /-+([a-z0-9])/g;
  export function dashCaseToCamelCase(input: string): string {
  return input.replace(DASH_CASE_REGEXP, (...m: any[]) => m[1].toUpperCase());
  