Disable some PGO crates in hopes of actually succeeding try build 😭

Author: WaffleLapkin

src/tools/opt-dist/src/training.rs

@@ -10,10 +10,10 @@ const LLVM_PGO_CRATES: &[&str] = &[
     "syn-1.0.89",
     //"cargo-0.60.0",
     "serde-1.0.136",
-    "ripgrep-13.0.0",
-    "regex-1.5.5",
+    // "ripgrep-13.0.0",
+    // "regex-1.5.5",
     "clap-3.1.6",
-    "hyper-0.14.18",
+    //"hyper-0.14.18",
 ];
 
 const RUSTC_PGO_CRATES: &[&str] = &[