Fix snipmate/java-snippets snippet
Fix snipmate/java-snippets snippet

Fix an issue where some snippets would not work as intended due to erroneous braces, i.e.: ${1} instead of $1.

kevinkirkup/vim-snippets,honza/vim-snippets,craigp/vim-snippets,phatograph/vim-snippets,craigp/vim-snippets,needle-wang/vim-snippets,honza/vim-snippets,adam-e-trepanier/vim-snippets,needle-wang/vim-snippets,phatograph/vim-snippets,kevinkirkup/vim-snippets,adam-e-trepanier/vim-snippets