Fix typos and extraneous checks and rescues

examples/config.rb

@@ -160,7 +160,7 @@
 
 # prune_bundler
 
-# Extra gems to be loaded when the environment bundler context is pruned.
+# Extra gems to be loaded when the bundler context is pruned.
 # Only applies if prune_bundler is used.
 
 # extra_runtime_dependencies ['gem_name_1', 'gem_name_2']

lib/puma/dsl.rb

@@ -462,8 +462,8 @@ def raise_exception_on_sigterm(answer=true)
     # When using prune_bundler, if extra runtime dependencies need to be loaded to
     # initialize your app, then this setting can be used.
     #
-    # For each gem's name passed, that gem will be loaded when the environment
-    # is pruned.
+    # Before bundler is pruned, the gem names supplied will be looked up in the bundler
+    # context and then loaded again after bundler is pruned.
     def extra_runtime_dependencies(answer = [])
       @options[:extra_runtime_dependencies] = Array(answer)
     end

lib/puma/launcher.rb

@@ -273,14 +273,12 @@ def prune_bundler
         "#{d.name}:#{spec.version.to_s}"
       end
 
-      if @options[:extra_runtime_dependencies]
-        @options[:extra_runtime_dependencies].each do |d_name|
-          spec = Bundler.rubygems.loaded_specs(d_name) rescue nil
-          if spec
-            dirs += spec.require_paths.map { |x| File.join(spec.full_gem_path, x) }
-          else
-            log "* Couldn't to load extra dependency: #{d_name}"
-          end
+      @options[:extra_runtime_dependencies].each do |d_name|
+        spec = Bundler.rubygems.loaded_specs(d_name)
+        if spec
+          dirs += spec.require_paths.map { |x| File.join(spec.full_gem_path, x) }
+        else
+          log "* Could not load extra dependency: #{d_name}"
         end
       end