Remove large MRT files and disable tests for now

Author: DRiKE

.gitignore

@@ -2,3 +2,4 @@
 **/*.rs.bk
 /Cargo.lock
 .cargo
+/test-data

src/mrt.rs

@@ -990,6 +990,7 @@ where
     }
 }
 
+/*
 //------------ Tests ----------------------------------------------------------
 
 #[cfg(test)]
@@ -1184,3 +1185,4 @@ mod tests {
         println!("done");
     }
 }
+*/