Remove unused files

idea/testData/injection/InjectionOfCustomParameterInJavaConstructorWithAnnotation.java

@@ -1,6 +0,0 @@
-import org.intellij.lang.annotations.Language;
-
-public class Test {
-    public Test(@Language("HTML") String str) {
-    }
-}

idea/testData/injection/InjectionOfCustomParameterInJavaConstructorWithAnnotation.kt

@@ -1,3 +0,0 @@
-fun bar() {
-    Test("<caret>some")
-}

idea/testData/injection/InjectionOfCustomParameterJavaWithAnnotation.java

@@ -1,5 +0,0 @@
-import org.intellij.lang.annotations.Language;
-
-public class Test {
-    public static void foo(@Language("HTML") String str) {}
-}

idea/testData/injection/InjectionOfCustomParameterJavaWithAnnotation.kt

@@ -1,3 +0,0 @@
-import some.Test
-
-fun bar() { Test.foo("<caret>some") }