update UI tests after reverting --explain note and double-testing

This is in the matter of #48550.

Author: zackmdavis

src/test/ui-fulldeps/lint-plugin-forbid-attrs.stderr

@@ -21,4 +21,3 @@ LL | #[allow(test_lint)]
 
 error: aborting due to 2 previous errors
 
-If you want more information on this error, try using "rustc --explain E0453"

src/test/ui-fulldeps/proc-macro/signature.stderr

@@ -12,4 +12,3 @@ LL | | }
 
 error: aborting due to previous error
 
-If you want more information on this error, try using "rustc --explain E0308"

src/test/ui/anonymous-higher-ranked-lifetime.stderr

@@ -154,4 +154,3 @@ LL | fn h2<F>(_: F) where F: for<'t0> Fn(&(), Box<Fn(&())>, &'t0 (), fn(&(), &()
 
 error: aborting due to 11 previous errors
 
-If you want more information on this error, try using "rustc --explain E0631"

src/test/ui/arbitrary-self-types-not-object-safe.stderr

@@ -17,4 +17,3 @@ LL |     let x = Box::new(5usize) as Box<Foo>;
 
 error: aborting due to 2 previous errors
 
-If you want more information on this error, try using "rustc --explain E0038"

src/test/ui/asm-out-assign-imm.stderr

@@ -9,4 +9,3 @@ LL |         asm!("mov $1, $0" : "=r"(x) : "r"(5));
 
 error: aborting due to previous error
 
-If you want more information on this error, try using "rustc --explain E0384"

src/test/ui/associated-const-impl-wrong-lifetime.stderr

@@ -15,4 +15,3 @@ LL | impl<'a> Foo for &'a () {
 
 error: aborting due to previous error
 
-If you want more information on this error, try using "rustc --explain E0308"

src/test/ui/associated-const-impl-wrong-type.stderr

@@ -9,4 +9,3 @@ LL |     const BAR: i32 = -1;
 
 error: aborting due to previous error
 
-If you want more information on this error, try using "rustc --explain E0326"

src/test/ui/associated-type-projection-from-multiple-supertraits.stderr

@@ -42,5 +42,3 @@ LL | fn paint<C:BoxCar>(c: C, d: C::Color) {
 
 error: aborting due to 4 previous errors
 
-You've got a few errors: E0191, E0221
-If you want more information on an error, try using "rustc --explain E0191"

src/test/ui/associated-types-ICE-when-projecting-out-of-err.stderr

@@ -6,4 +6,3 @@ LL |     r = r + a;
 
 error: aborting due to previous error
 
-If you want more information on this error, try using "rustc --explain E0277"

src/test/ui/associated-types-in-ambiguous-context.stderr

@@ -24,4 +24,3 @@ LL |     fn grab(&self) -> Grab::Value;
 
 error: aborting due to 3 previous errors
 
-If you want more information on this error, try using "rustc --explain E0223"