Fix linter error in erlang.jsgh-1292

Trivial linter error:
```
compiler-explorer/lib/compilers/erlang.js
  65:1  warning  More than 1 blank line not allowed  no-multiple-empty-lines

✖ 1 problem (0 errors, 1 warning)
  0 errors and 1 warning potentially fixable with the `--fix` option.
```

1 files changed, 1 insertions, 2 deletions

diff --git a/lib/compilers/erlang.js b/lib/compilers/erlang.js
index b844b822b..d91da4d16 100644
--- a/lib/compilers/erlang.js
+++ b/lib/compilers/erlang.js
@@ -61,8 +61,7 @@ export class ErlangCompiler extends BaseCompiler {
         this.parseCompilationOutput(result, transformedInput);
         return result;
     }
-    
-    
+
     getVersion() {
         logger.info(`Gathering ${this.compiler.id} version information on ${this.compiler.exe}...`);
         if (this.compiler.explicitVersion) {