Java inspection: Returned back RemoveRedundantElseAction intention, because it turns out it's useful in some cases (IDEA-157727)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/removeRedundantElse/after1.java

@@ -0,0 +1,13 @@
+// "Remove redundant 'else'" "true"
+class a {
+  void foo() {
+    int a = 0;
+    int b = 0;
+    if (a != b) {
+      return;
+    }
+      a = b;
+      a++;
+  }
+}
+

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/removeRedundantElse/before1.java

@@ -0,0 +1,14 @@
+// "Remove redundant 'else'" "true"
+class a {
+  void foo() {
+    int a = 0;
+    int b = 0;
+    if (a != b) {
+      return;
+    } e<caret>lse {
+      a = b;
+    }
+    a++;
+  }
+}
+

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/removeRedundantElse/beforeCanThrowException.java

@@ -0,0 +1,15 @@
+// "Remove redundant 'else'" "false"
+import java.io.IOException;
+class a {
+  void foo(boolean condition) throws IOException{
+    if (condition) {
+      tMethod();
+    }
+    e<caret>lse {
+      System.out.println("else");
+    }
+  }
+
+  void tMethod() throws IOException {}
+}
+

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/removeRedundantElse/beforeIfElseChain.java

@@ -0,0 +1,17 @@
+// "Remove redundant 'else'" "false"
+class a {
+  void foo() {
+    int a = 0;
+    int b = 0;
+    if (a != b) {
+      a = 10;
+    } else if (a + 1 == b) {
+      return;
+    }
+    e<caret>lse {
+      a = b;
+    }
+    a++;
+  }
+}
+