docs: revert change in unary alias

Author: gunjjoshi

lib/node_modules/@stdlib/_tools/scaffold/math-strided-real-typed-unary/scripts/scaffold.sh

@@ -144,7 +144,7 @@ this_dir="${base_dir}/@stdlib/_tools/scaffold/math-strided-real-typed-unary"
 wrap="${base_dir}/@stdlib/_tools/repl-txt/wrap-desc/bin/cli"
 
 # Define the unary function alias:
-unary_alias="${alias}"
+unary_alias="${alias:1}"
 if [ "${alias:0:1}" == "s" ]; then
 	unary_alias="${unary_alias}f"
 fi