Remove unused ignore-license directives

The tidy check was removed in #53617

Author: tmiasko

src/libstd/sys/cloudabi/abi/bitflags.rs

@@ -21,9 +21,6 @@
 // OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 // SUCH DAMAGE.
 
-// Appease Rust's tidy.
-// ignore-license
-
 #[cfg(feature = "bitflags")]
 use bitflags::bitflags;
 

src/libstd/sys/cloudabi/abi/cloudabi.rs

@@ -26,7 +26,6 @@
 // Source: https://github.com/NuxiNL/cloudabi
 
 // Appease Rust's tidy.
-// ignore-license
 // ignore-tidy-linelength
 
 //! **PLEASE NOTE: This entire crate including this

src/test/pretty/top-level-doc-comments.rs

@@ -1,11 +1,6 @@
 /// Some doc comment.
 struct X;
 
-// ignore-license
-
-// http://rust-lang.org/COPYRIGHT.
-//
-
 // pp-exact
 
 // Test that rust can properly pretty print a doc comment if it's the first line in a file.  some

src/test/run-make-fulldeps/c-dynamic-dylib/cfoo.c

@@ -1,4 +1,3 @@
-// ignore-license
 #ifdef _WIN32
 __declspec(dllexport)
 #endif

src/test/run-make-fulldeps/c-dynamic-rlib/cfoo.c

@@ -1,5 +1,3 @@
-// ignore-license
-
 #ifdef _WIN32
 __declspec(dllexport)
 #endif

src/test/run-make-fulldeps/c-link-to-rust-dylib/bar.c

@@ -1,4 +1,3 @@
-// ignore-license
 void foo();
 
 int main() {

src/test/run-make-fulldeps/c-link-to-rust-staticlib/bar.c

@@ -1,4 +1,3 @@
-// ignore-license
 void foo();
 
 int main() {

src/test/run-make-fulldeps/c-static-dylib/cfoo.c

@@ -1,2 +1 @@
-// ignore-license
 int foo() { return 0; }

src/test/run-make-fulldeps/c-static-rlib/cfoo.c

@@ -1,2 +1 @@
-// ignore-license
 int foo() { return 0; }

src/test/run-make-fulldeps/compiler-rt-works-on-mingw/foo.cpp

@@ -1,4 +1,3 @@
-// ignore-license
 extern "C" void foo() {
     int *a = new int(3);
     delete a;