Auto merge of rust-lang#92309 - ehuss:remove-check_lines, r=Mark-Simulacrum

compiletest: Remove some vestigial code

The `check_lines` header is no longer parsed as a header, but instead inside the debuginfo tests. I believe this was changed in rust-lang#13726.

Author: bors

src/tools/compiletest/src/header.rs

@@ -78,8 +78,6 @@ pub struct TestProps {
     pub unset_rustc_env: Vec<String>,
     // Environment settings to use during execution
     pub exec_env: Vec<(String, String)>,
-    // Lines to check if they appear in the expected debugger output
-    pub check_lines: Vec<String>,
     // Build documentation for all specified aux-builds as well
     pub build_aux_docs: bool,
     // Flag to force a crate to be built with the host architecture
@@ -165,7 +163,6 @@ impl TestProps {
             rustc_env: vec![],
             unset_rustc_env: vec![],
             exec_env: vec![],
-            check_lines: vec![],
             build_aux_docs: false,
             force_host: false,
             check_stdout: false,
@@ -318,10 +315,6 @@ impl TestProps {
                     self.unset_rustc_env.push(ev);
                 }
 
-                if let Some(cl) = config.parse_check_line(ln) {
-                    self.check_lines.push(cl);
-                }
-
                 if let Some(of) = config.parse_forbid_output(ln) {
                     self.forbid_output.push(of);
                 }
@@ -555,10 +548,6 @@ impl Config {
         self.parse_name_value_directive(line, "run-flags")
     }
 
-    fn parse_check_line(&self, line: &str) -> Option<String> {
-        self.parse_name_value_directive(line, "check")
-    }
-
     fn parse_force_host(&self, line: &str) -> bool {
         self.parse_name_directive(line, "force-host")
     }