L #-: Several small linting fixes

(cherry picked from commit 21dc3c8e8c9cf9853f312024dff16fec6a4b12a2)

src/datastore_mad/remotes/vcenter/cp

@@ -110,8 +110,7 @@ end
 
 def find_image_type(target_file)
     target_file_type=nil
-    Open3.popen3("qemu-img info #{target_file}") do
-      |_stdin, stdout, stderr, wait_thr|
+    Open3.popen3("qemu-img info #{target_file}") do |_stdin, stdout, stderr, wait_thr|
         unless wait_thr.value.success?
             raise StandardError,
                   "'qemu-img info' failed, stderr: #{stderr.read}"

src/oca/ruby/opennebula/flow/service_template.rb

@@ -549,8 +549,7 @@ module OpenNebula
                 end
 
                 if role['elasticity_policies']
-                    role['elasticity_policies'].each_with_index do |policy,
-                                                                    index|
+                    role['elasticity_policies'].each_with_index do |policy, index|
                         exp = policy['expression']
 
                         if exp.empty?

src/oca/ruby/opennebula/template_ext.rb

@@ -63,9 +63,7 @@ module OpenNebula::TemplateExt
                 #---------------------------------------------------------------
                 logger.info 'Processing VM disks' if logger
 
-                retrieve_xmlelements('TEMPLATE/DISK').each_with_index do
-                    |disk, idx|
-
+                retrieve_xmlelements('TEMPLATE/DISK').each_with_index do |disk, idx|
                     image = image_lookup(disk)
 
                     next unless image