fix double space after return in java

java/java-tests/testData/codeInsight/completion/normal/SpaceAfterReturn.java

@@ -0,0 +1,8 @@
+public abstract class Zzza {
+
+    int foo() {
+        ret<caret>x
+    }
+
+
+}

java/java-tests/testData/codeInsight/completion/normal/SpaceAfterReturn_after.java

@@ -0,0 +1,8 @@
+public abstract class Zzza {
+
+    int foo() {
+        return <caret>x
+    }
+
+
+}