Improve snippets abbr

[hokorobi]

Change same abbr according to contents.

[codecov-io]

Codecov Report

Merging #1639 into master will increase coverage by 1.42%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master   #1639      +/-   ##
=========================================
+ Coverage   17.77%   19.2%   +1.42%     
=========================================
  Files          57      53       -4     
  Lines        4770    4156     -614     
=========================================
- Hits          848     798      -50     
+ Misses       3922    3358     -564

Flag	Coverage Δ
#nvim	14.53% <ø> (+1.26%)	⬆️
#vim74	17.58% <ø> (+1.21%)	⬆️
#vim80	18.35% <ø> (+1.31%)	⬆️

Impacted Files	Coverage Δ
plugin/go.vim	29.26% <0%> (-4.26%)	⬇️
autoload/go/test.vim	69.51% <0%> (-2.93%)	⬇️
autoload/go/util.vim	60.51% <0%> (-1.37%)	⬇️
autoload/go/guru.vim	9.6% <0%> (-0.36%)	⬇️
ftplugin/go/commands.vim	0% <0%> (ø)	⬆️
autoload/go/debug.vim
syntax/godebugoutput.vim
syntax/godebugvariables.vim
syntax/godebugstacktrace.vim

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[fatih]

Thanks @hokorobi

Can you change the commit description to something like snippets: improve abbr descriptions for neosnippet

[hokorobi]

Thank you for your comment.

[fatih]

Thanks @hokorobi