Revert of Add a CQ tester (which will start as experimental) with N5's on L.

masters/master.tryserver.chromium.linux/master.cfg

Index: masters/master.tryserver.chromium.linux/master.cfg
diff --git a/masters/master.tryserver.chromium.linux/master.cfg b/masters/master.tryserver.chromium.linux/master.cfg
index ec2c0fbadda7a75460fd5c9756ef8a4c5fd48672..d0a0b7556aa702f34f52411d356a1be8db89a220 100644
--- a/masters/master.tryserver.chromium.linux/master.cfg
+++ b/masters/master.tryserver.chromium.linux/master.cfg
@@ -77,14 +77,6 @@
 b_android_compile_dbg = {
   'name': 'android_compile_dbg',
   'factory': m_annotator.BaseFactory('chromium_trybot'),
-}
-
-# combined builder/tester android recipes
-b_android_n5_rel_tests_recipe = {
-    'name': 'android_n5_rel_tests_recipe',
-    'factory': m_annotator.BaseFactory('android/tester'),
-    # Share build directory with compatible existing builders to save space.
-    'slavebuilddir': 'android',
 }
 
 b_android_compile_rel = {
@@ -426,8 +418,7 @@
 c['builders'] = [
   b_android_compile_dbg,
   b_android_compile_rel,
-  b_android_dbg_tests_recipe, b_android_n5_rel_tests_recipe,
-  b_android_arm64_dbg_recipe,
+  b_android_dbg_tests_recipe, b_android_arm64_dbg_recipe,
   b_android_fyi_dbg_tests_recipe,
   b_android_x86_dbg_recipe,
   b_android_clang_dbg_recipe,