remove jumbo build config from //weblayer

BUG=994387

Change-Id: I1ff1e5f0b33330b80d08c4363b6bdff7fa59dbd2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2093473Reviewed-by: Tobias Sargeant <tobiasjs@chromium.org>
Commit-Queue: Mostyn Bramley-Moore <mostynb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#748052}

weblayer/BUILD.gn

@@ -86,7 +86,7 @@ if (is_android) {
   }
 }
 
-jumbo_static_library("weblayer_lib") {
+static_library("weblayer_lib") {
   sources = [
     "app/content_main_delegate_impl.cc",
     "app/content_main_delegate_impl.h",

weblayer/shell/BUILD.gn

@@ -3,7 +3,6 @@
 # found in the LICENSE file.
 
 import("//build/config/features.gni")
-import("//build/config/jumbo.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 import("//build/config/ui.gni")
 import("//build/config/win/console_app.gni")
@@ -15,7 +14,7 @@ if (is_android) {
   import("//build/config/android/config.gni")
 }
 
-jumbo_static_library("weblayer_shell_lib") {
+static_library("weblayer_shell_lib") {
   testonly = true
   sources = [
     "app/shell_main_params.cc",