ReplaceInefficientStreamCountInspection: remove generic parameter list if any

java/java-tests/testData/inspection/inefficientStreamCount/afterStreamCountParameter.java

@@ -0,0 +1,12 @@
+// "Replace Collection.stream().count() with Collection.size()" "true"
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Main {
+    public static long test() {
+        List<String> s = new ArrayList<>();
+        /* unused parameter */
+        return (long) s.size();
+    }
+}

java/java-tests/testData/inspection/inefficientStreamCount/beforeStreamCountParameter.java

@@ -0,0 +1,11 @@
+// "Replace Collection.stream().count() with Collection.size()" "true"
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Main {
+    public static long test() {
+        List<String> s = new ArrayList<>();
+        return s.</* unused parameter */String>stream().co<caret>unt();
+    }
+}