mrhlpr.json: fix matching of numbers in regex (!957)

In the regex [a-z-0-9] you don't need a backslash before the minus in
the middle, so remove that to bring it in line with other regexes.

In the regex [a-z\/-0-9] you do need a backslash in front of the minus
though, otherwise only the numbers 0 and 9 are allowed by the regex.

.mrhlpr.json

@@ -7,12 +7,12 @@
             "^[a-z]+/[a-z-0-9*{}]+: upgrade to [0-9\\.a-z\\-_]+( \\(!\\d+\\)|)$",
             "^[a-z]+/[a-z-0-9*{}]+: remove( \\(!\\d+\\)|)$",
             "^[a-z]+/[a-z-0-9*{}]+: remove, upstreamed( \\(!\\d+\\)|)$",
-            "^CI: [a-z\\-0-9*{}\\(\\)\\.,_ ][A-Za-z\\/-0-9*{}\\(\\)\\.,_ ]+( \\(!\\d+\\)|)$",
-            "^mrhlpr.json: [a-z\\-0-9*{}\\(\\)\\.,_ ][A-Za-z\\/-0-9*{}\\(\\)\\.,_ ]+( \\(!\\d+\\)|)$",
-            "^pmaports.cfg: [a-z\\-0-9*{}\\(\\)\\.,_ ][A-Za-z\\/-0-9*{}\\(\\)\\.,_ ]+( \\(!\\d+\\)|)$"
+            "^CI: [a-z-0-9*{}\\(\\)\\.,_ ][A-Za-z\\/\\-0-9*{}\\(\\)\\.,_ ]+( \\(!\\d+\\)|)$",
+            "^mrhlpr.json: [a-z-0-9*{}\\(\\)\\.,_ ][A-Za-z\\/\\-0-9*{}\\(\\)\\.,_ ]+( \\(!\\d+\\)|)$",
+            "^pmaports.cfg: [a-z-0-9*{}\\(\\)\\.,_ ][A-Za-z\\/\\-0-9*{}\\(\\)\\.,_ ]+( \\(!\\d+\\)|)$"
         ],
         "unknown": [
-            "^[a-z-0-9_.*{}\\/]+: [a-z\\-0-9*{}\\(\\)\\.,_ ][A-Za-z\\/-0-9*{}\\(\\)\\.,_ ]+( \\(!\\d+\\)|)$"
+            "^[a-z-0-9_.*{}\\/]+: [a-z-0-9*{}\\(\\)\\.,_ ][A-Za-z\\/\\-0-9*{}\\(\\)\\.,_ ]+( \\(!\\d+\\)|)$"
         ]
     }
 }