Clean up dangling resources

Bug: 11737015
Change-Id: I2e1ad4bc4e6e88080f9c88561813b06a0f150780
diff --git a/java/res/values-sw540dp/config.xml b/java/res/values-sw540dp/config.xml
index 93862a7..9260988 100644
--- a/java/res/values-sw540dp/config.xml
+++ b/java/res/values-sw540dp/config.xml
@@ -21,7 +21,6 @@
 <resources>
     <bool name="config_enable_show_voice_key_option">false</bool>
     <bool name="config_enable_show_option_of_key_preview_popup">false</bool>
-    <bool name="config_enable_bigram_suggestions_option">false</bool>
     <!-- Whether or not Popup on key press is enabled by default -->
     <bool name="config_default_key_preview_popup">false</bool>
     <bool name="config_default_sound_enabled">true</bool>
diff --git a/java/res/values-sw768dp/config.xml b/java/res/values-sw768dp/config.xml
index e1c07d6..c5c6aa4 100644
--- a/java/res/values-sw768dp/config.xml
+++ b/java/res/values-sw768dp/config.xml
@@ -21,7 +21,6 @@
 <resources>
     <bool name="config_enable_show_voice_key_option">false</bool>
     <bool name="config_enable_show_option_of_key_preview_popup">false</bool>
-    <bool name="config_enable_bigram_suggestions_option">false</bool>
     <!-- Whether or not Popup on key press is enabled by default -->
     <bool name="config_default_key_preview_popup">false</bool>
     <bool name="config_default_sound_enabled">true</bool>