rustdoc: remove the word "Version" from test cases

Needed for rust-lang/rust#115948 to merge.

tests/testsuite/doc.rs

@@ -2004,7 +2004,7 @@ fn crate_versions() {
     let output_path = p.root().join("target/doc/foo/index.html");
     let output_documentation = fs::read_to_string(&output_path).unwrap();
 
-    assert!(output_documentation.contains("Version 1.2.4"));
+    assert!(output_documentation.contains("1.2.4"));
 }
 
 #[cargo_test]
@@ -2028,7 +2028,7 @@ fn crate_versions_flag_is_overridden() {
     };
     let asserts = |html: String| {
         assert!(!html.contains("1.2.4"));
-        assert!(html.contains("Version 2.0.3"));
+        assert!(html.contains("2.0.3"));
     };
 
     p.cargo("doc")

tests/testsuite/rustdocflags.rs

@@ -110,17 +110,19 @@ fn whitespace() {
         .with_status(101)
         .run();
 
-    const SPACED_VERSION: &str = "a\nb\tc\u{00a0}d";
     p.cargo("doc")
         .env_remove("__CARGO_TEST_FORCE_ARGFILE") // Not applicable for argfile.
         .env(
             "RUSTDOCFLAGS",
-            format!("--crate-version {}", SPACED_VERSION),
+            "--crate-version 1111\n2222\t3333\u{00a0}4444",
         )
         .run();
 
     let contents = p.read_file("target/doc/foo/index.html");
-    assert!(contents.contains(SPACED_VERSION));
+    assert!(contents.contains("1111"));
+    assert!(contents.contains("2222"));
+    assert!(contents.contains("3333"));
+    assert!(contents.contains("4444"));
 }
 
 #[cargo_test]