MB: Remove Android clang bot configurations.

tools_webrtc/mb/mb_config.pyl

Index: tools_webrtc/mb/mb_config.pyl
diff --git a/tools_webrtc/mb/mb_config.pyl b/tools_webrtc/mb/mb_config.pyl
index 37f87e83abcb85e408e95c2a359dfefdbabfb749..23f03a291e66ce18e35e6ed59dded701a848857f 100644
--- a/tools_webrtc/mb/mb_config.pyl
+++ b/tools_webrtc/mb/mb_config.pyl
@@ -61,8 +61,7 @@
       'Android32 Builder x86': 'android_release_bot_x86',
       'Android32 Builder x86 (dbg)': 'android_debug_static_bot_x86',
       'Android64 Builder x64 (dbg)': 'android_debug_static_bot_x64',
-      'Android32 Builder MIPS (dbg)': 'android_clang_debug_static_bot_mipsel',
-      'Android32 Clang (dbg)': 'android_clang_debug_bot_arm',
+      'Android32 Builder MIPS (dbg)': 'android_debug_static_bot_mipsel',
 
       # Windows
       'Win32 Debug': 'debug_bot_x86',
@@ -167,10 +166,9 @@
       'android_compile_x86_dbg': 'android_debug_static_bot_x86',
       'android_compile_x86_rel': 'android_release_bot_x86',
       'android_compile_x64_dbg': 'android_debug_static_bot_x64',
-      'android_compile_mips_dbg': 'android_clang_debug_static_bot_mipsel',
+      'android_compile_mips_dbg': 'android_debug_static_bot_mipsel',
       'android_dbg': 'android_debug_static_bot_arm',
       'android_rel': 'android_release_bot_arm',
-      'android_clang_dbg': 'android_clang_debug_bot_arm',
       'android_arm64_rel': 'android_release_bot_arm64',
       'android_experimental': 'android_release_bot_arm',
 
@@ -307,11 +305,8 @@
     'android_release_bot_x86': [
       'android', 'gn', 'release_bot', 'x86'
     ],
-    'android_clang_debug_bot_arm': [
-      'android', 'gn', 'clang', 'debug_bot', 'arm'
-    ],
-    'android_clang_debug_static_bot_mipsel': [
-      'android', 'gn', 'clang', 'debug_static_bot', 'mipsel'
+    'android_debug_static_bot_mipsel': [
+      'android', 'gn', 'debug_static_bot', 'mipsel'
     ],
     'android_debug_static_bot_arm64': [
       'android', 'gn', 'debug_static_bot', 'arm64'