fix(page): remove padding attribute in ion-content template (#106)

Author: dotNetkow

schematics/page/files/__name@dasherize@if-flat__/__name@dasherize__.page.html

@@ -4,6 +4,6 @@
   </ion-toolbar>
 </ion-header>
 
-<ion-content padding>
+<ion-content>
 
 </ion-content>