removed references to removed explorer

Cargo.toml

@@ -169,7 +169,7 @@ default-members = [
     "tools/nymvisor",
 ]
 
-exclude = ["explorer", "contracts", "nym-wallet", "cpu-cycles"]
+exclude = ["contracts", "nym-wallet", "cpu-cycles"]
 
 [workspace.package]
 authors = ["Nym Technologies SA"]

common/verloc/src/models.rs

@@ -130,12 +130,7 @@ impl VerlocMeasurement {
         let variance_micros = data
             .iter()
             .map(|&value| {
-                // make sure we don't underflow
-                let diff = if mean > value {
-                    mean - value
-                } else {
-                    value - mean
-                };
+                let diff = mean.abs_diff(value);
                 // we don't need nanos precision
                 let diff_micros = diff.as_micros();
                 diff_micros * diff_micros