Remove s:modified_signs (write-only variable).
Remove s:modified_signs (write-only variable).

neomake/neomake,neomake/neomake,euclio/neomake,codeinabox/neomake,KariusDx/neomake,datanoise/neomake,nerdrew/neomake,euclio/neomake,nerdrew/neomake,bonds/neomake,bonds/neomake