Revert "Support Emoji keyboard"

This reverts commit d7791a93b0dee268a9e97f06fe5abcf6082e0ed1.

Change-Id: I5ca4c0227f97540e8a22b487b5056dfa3611082b
diff --git a/java/res/xml/key_styles_common.xml b/java/res/xml/key_styles_common.xml
index c1c2c3e..dabe1e7 100644
--- a/java/res/xml/key_styles_common.xml
+++ b/java/res/xml/key_styles_common.xml
@@ -67,6 +67,30 @@
         latin:backgroundType="functional" />
     <include
         latin:keyboardLayout="@xml/key_styles_enter" />
+    <switch>
+        <!-- Shift + Enter in textMultiLine field. -->
+        <case
+            latin:isMultiLine="true"
+            latin:keyboardLayoutSetElement="alphabetManualShifted|alphabetShiftLockShifted"
+        >
+            <key-style
+                latin:styleName="enterKeyStyle"
+                latin:parentStyle="shiftEnterKeyStyle" />
+        </case>
+        <!-- Smiley in textShortMessage field.
+             Overrides common enter key style. -->
+        <case
+            latin:mode="im"
+        >
+            <key-style
+                latin:styleName="enterKeyStyle"
+                latin:keyLabel=":-)"
+                latin:keyOutputText=":-) "
+                latin:keyLabelFlags="hasPopupHint"
+                latin:moreKeys="!text/more_keys_for_smiley"
+                latin:backgroundType="functional" />
+        </case>
+    </switch>
     <key-style
         latin:styleName="spaceKeyStyle"
         latin:code="!code/key_space"
@@ -105,8 +129,7 @@
         latin:styleName="emojiKeyStyle"
         latin:code="!code/key_emoji"
         latin:keyIcon="!icon/emoji_key"
-        latin:keyActionFlags="noKeyPreview"
-        latin:backgroundType="functional" />
+        latin:keyActionFlags="noKeyPreview" />
     <key-style
         latin:styleName="tabKeyStyle"
         latin:code="!code/key_tab"
diff --git a/java/res/xml/row_symbols4.xml b/java/res/xml/row_symbols4.xml
index bea139a..5c15da6 100644
--- a/java/res/xml/row_symbols4.xml
+++ b/java/res/xml/row_symbols4.xml
@@ -50,7 +50,7 @@
             latin:keyboardLayout="@xml/key_symbols_period"
             latin:backgroundType="functional" />
         <Key
-            latin:keyStyle="emojiKeyStyle"
+            latin:keyStyle="enterKeyStyle"
             latin:keyWidth="fillRight" />
     </Row>
 </merge>