Fix missed engine_flags from rebase

Author: posborne

crates/analysis/src/keys.rs

@@ -140,7 +140,6 @@ mod tests {
             phase: Phase::Compilation,
             event: "cycles".into(),
             count: 42,
-            engine_flags: None,
         }));
     }
 }

crates/analysis/src/summarize.rs

@@ -165,7 +165,6 @@ mod tests {
                 phase: Phase::Compilation,
                 event: "cycles".into(),
                 count,
-                engine_flags: None,
             }
         }
 
@@ -200,7 +199,6 @@ mod tests {
                 phase,
                 event: "cycles".into(),
                 count,
-                engine_flags: None,
             }
         }
         let measurements = vec![