Revert the change that made events accessible in other contacts via qualified access

test/libsolidity/syntaxTests/events/event_selector_access_foreign_contract.sol

@@ -0,0 +1,11 @@
+contract D {
+    event E();
+}
+
+contract C {
+    function f() external pure returns (bytes32) {
+        return D.E.selector;
+    }
+}
+// ----
+// TypeError 9582: (110-113): Member "E" not found or not visible after argument-dependent lookup in type(contract D).

test/libsolidity/syntaxTests/events/event_selector_access_interface.sol

@@ -0,0 +1,11 @@
+interface I {
+    event E();
+}
+
+contract C {
+    function f() external pure returns (bytes32) {
+        return I.E.selector;
+    }
+}
+// ----
+// TypeError 9582: (111-114): Member "E" not found or not visible after argument-dependent lookup in type(contract I).

test/libsolidity/syntaxTests/events/event_selector_access_library.sol

@@ -0,0 +1,10 @@
+library L {
+    event E();
+}
+
+contract C {
+    function f() external pure returns (bytes32) {
+        return L.E.selector;
+    }
+}
+// ----

test/libsolidity/syntaxTests/events/event_selector_syntax.sol

@@ -7,33 +7,27 @@ library S {
 library T {
     event E();
 }
-interface I {
-    event E();
-}
 
 contract D {
     event F();
 }
 
 contract C is D {
-    function test1() external pure returns (bytes32, bytes32, bytes32) {
+    function test1() external pure returns (bytes32, bytes32) {
         assert(L.E.selector == T.E.selector);
-        assert(I.E.selector == L.E.selector);
 
         assert(L.E.selector != S.E.selector);
         assert(T.E.selector != S.E.selector);
-        assert(I.E.selector != S.E.selector);
 
-        return (L.E.selector, S.E.selector, I.E.selector);
+        return (L.E.selector, S.E.selector);
     }
 
     bytes32 s1 = L.E.selector;
     bytes32 s2 = S.E.selector;
     bytes32 s3 = T.E.selector;
-    bytes32 s4 = I.E.selector;
 
-    function test2() view external returns (bytes32, bytes32, bytes32, bytes32) {
-        return (s1, s2, s3, s4);
+    function test2() view external returns (bytes32, bytes32, bytes32) {
+        return (s1, s2, s3);
     }
 
     function test3() pure external returns (bytes32) {