Fix attempting to throw a void exception

Not sure how I ended up doing this one.

Author: Jonathing

src/main/groovy/net/minecraftforge/gradleutils/PomUtilsImpl.groovy

@@ -60,7 +60,7 @@ import javax.inject.Inject
 
             this.addRemoteDetails(pom, url)
         } catch (Exception e) {
-            throw this.problems.reportPomUtilsGitVersionMissing(e)
+            this.problems.reportPomUtilsGitVersionMissing(e)
         }
     }
 }