braidz-export-rrd: remove opencv/clang-runtime

This fixes an issue where rust-analyzer was
thrashing constantly for reasons I don't
understand.

braidz-export-rrd/Cargo.toml

@@ -20,7 +20,7 @@ nalgebra.workspace = true
 regex = "1.10.3"
 machine-vision-formats.workspace = true
 rayon = "1.9.0"
-opencv = { version = "0.90", optional = true, features = ["clang-runtime"] }
+opencv = { version = "0.90", optional = true }
 
 braidz-parser = { path = "../braidz-parser" }
 env-tracing-logger = { path = "../env-tracing-logger" }