Prefer the stateless approach over the stateful one for submitting te…

…sts.

After experimenting with the approach proposed, it appears that the new approach break many workflows that submitter adapted for, which cannot be trivially fixed due to the stateful nature of this approach.

an example of that is the test run page requires another user interaction to reflect a new change on the branch after fetching first time occurred.

server/fishtest/templates/tests_run.mak

@@ -692,73 +692,6 @@
       update_sprt_bounds(e.target.value);
     });
 
-  function stripMessage(m, regex) {
-    const lines = m.trim().split("\n");
-    let lastLine = lines[lines.length - 1].trim();
-
-    if (regex.test(lastLine))
-        lines[lines.length - 1] = "";
-
-    let s = lines.join("\n");
-    s = s.replace(/[ \t]+/g, " ");
-    s = s.replace(/\n+/g, "\n");
-    return s.trimRight();
-  }
-
-  async function onBranchInput(e) {
-    if (stopRule === "stop-rule-spsa")
-        return;
-
-    let testRepo = document.getElementById("tests-repo").value;
-    if (!testRepo) return;
-
-    testRepo = testRepo.replace(
-      "https://github.com",
-      "https://api.github.com/repos"
-    );
-
-    let branch = e.target.value;
-    if (!branch) return;
-
-    const apiUrl = testRepo + "/commits/" + branch;
-
-    const response = await fetch(apiUrl);
-
-    if (!response.ok) {
-      console.error("HTTP error! Status: " + response.status);
-      return;
-    }
-
-    const commitData = await response.json();
-    const c = commitData.commit;
-
-    const regex = /(^|\s)[Bb]ench[ :]+([1-9]\d{5,7})(?!\d)/;
-    const lines = c.message.split("\n");
-    const lastLine = lines[lines.length - 1].trim();
-    const match = lastLine.match(regex);
-
-    if (match) {
-      const bench = match[2];
-      if (e.target.id === "test-branch") {
-        document.getElementById("test-signature").value = bench;
-        document.getElementById("run-info").value = stripMessage(c.message, regex);
-      }
-
-      if (e.target.id === "base-branch")
-        document.getElementById("base-signature").value = bench;
-    }
-  }
-
-  if (!is_rerun) {
-    document
-      .getElementById("test-branch")
-      .addEventListener("input", onBranchInput);
-    document
-      .getElementById("base-branch")
-      .addEventListener("input", onBranchInput);
-  }
-
-
   let initial_base_branch = document.getElementById("base-branch").value;
   let initial_base_signature = document.getElementById("base-signature").value;
   let spsa_do_not_save = false;