chore(): remove roboto source from codebase (#26097)

core/src/components/app/fonts/roboto.scss

@@ -1,34 +0,0 @@
-// Roboto Font
-// Google
-// Apache License, version 2.0
-// http://www.apache.org/licenses/LICENSE-2.0.html
-
-$roboto-font-path: $font-path !default;
-
-@font-face {
-  font-family: "Roboto";
-  font-style: normal;
-  font-weight: 300;
-  src: local("Roboto Light"), local("Roboto-Light"), url("#{$roboto-font-path}/roboto-light.woff2") format("woff2"), url("#{$roboto-font-path}/roboto-light.woff") format("woff"), url("#{$roboto-font-path}/roboto-light.ttf") format("truetype");
-}
-
-@font-face {
-  font-family: "Roboto";
-  font-style: normal;
-  font-weight: 400;
-  src: local("Roboto"), local("Roboto-Regular"), url("#{$roboto-font-path}/roboto-regular.woff2") format("woff2"), url("#{$roboto-font-path}/roboto-regular.woff") format("woff"), url("#{$roboto-font-path}/roboto-regular.ttf") format("truetype");
-}
-
-@font-face {
-  font-family: "Roboto";
-  font-style: normal;
-  font-weight: 500;
-  src: local("Roboto Medium"), local("Roboto-Medium"), url("#{$roboto-font-path}/roboto-medium.woff2") format("woff2"), url("#{$roboto-font-path}/roboto-medium.woff") format("woff"), url("#{$roboto-font-path}/roboto-medium.ttf") format("truetype");
-}
-
-@font-face {
-  font-family: "Roboto";
-  font-style: normal;
-  font-weight: 700;
-  src: local("Roboto Bold"), local("Roboto-Bold"), url("#{$roboto-font-path}/roboto-bold.woff2") format("woff2"), url("#{$roboto-font-path}/roboto-bold.woff") format("woff"), url("#{$roboto-font-path}/roboto-bold.ttf") format("truetype");
-}

core/src/themes/ionic.globals.scss

@@ -19,9 +19,6 @@ $font-family-base:                  var(--ion-font-family, inherit) !default;
 // Global app direction
 $app-direction: null !default;
 
-// Global font path
-$font-path: "/dist/fonts" !default;
-
 // Hairlines width
 $hairlines-width: .55px !default;