bug #462 Do nothing when uninstalling unconfigured packages (HeahDude)

This PR was merged into the 1.1-dev branch.

Discussion
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Do nothing when uninstalling unconfigured packages

When uninstalling a package with a found recipe, Flex unconfigures it even if it was not configured before.

Commits
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0d87b3a Do nothing when uninstalling unconfigured packages

src/Flex.php

@@ -594,6 +594,9 @@ private function fetchRecipes(): array
                 }
                 $this->lock->add($name, $locks[$name]);
             } elseif ($operation instanceof UninstallOperation) {
+                if (!$this->lock->has($name)) {
+                    continue;
+                }
                 $this->lock->remove($name);
             }