cleaned up code

keep eye on ngx-bootstrap for when it removes rxjs-compat requirement

src/app/providers/api-service.ts

@@ -1,7 +1,6 @@
 import { map } from 'rxjs/operators';
 import { Injectable } from '@angular/core';
 import { HttpClient } from '@angular/common/http';
-import { Observable } from 'rxjs/Rx';
 import { environment } from '../../environments/environment';
 
 

src/app/providers/cust-pies.service.ts

@@ -1,6 +1,6 @@
 import { Injectable } from '@angular/core';
 import { ApiService } from './api-service';
-import { Observable } from 'rxjs/Rx';
+import { Observable } from 'rxjs';
 
 @Injectable()
 export class CustPiesService {

src/app/providers/cust-snippets.service.ts

@@ -1,6 +1,6 @@
 import { Injectable } from '@angular/core';
 import { ApiService } from './api-service';
-import { Observable } from 'rxjs/Rx';
+import { Observable } from 'rxjs';
 
 @Injectable()
 export class CustSnippetsService {

src/app/providers/org-snippets.service.ts

@@ -1,6 +1,6 @@
 import { Injectable } from '@angular/core';
 import { ApiService } from './api-service';
-import { Observable } from 'rxjs/Rx';
+import { Observable } from 'rxjs';
 
 @Injectable()
 export class OrgSnippetsService {