Fix(hm/conf/nvim/mappings): Switch the confirm map from `cc` to `uu`

The amount of words with two c's seems to be bigger than the amount of
words with two u's.

The amount of duplicate letters in English words (466k words):
```
{
        'aa': 250,      'bb': 1706,     'cc': 2370,
        'dd': 1819,     'ee': 7231,     'ff': 3057,
        'gg': 2107,     'hh': 112,      'ii': 574,
        'jj': 6,        'kk': 132,      'll': 18613,
        'mm': 3425,     'nn': 3944,     'pp': 3566,
        'oo': 7363,     'qq': 4,        'rr': 5747,
        'ss': 20062,    'tt': 5815,     'uu': 68,
        'vv': 44,       'ww': 82,       'xx': 9,
        'yy': 9,        'zz': 564
}
```

Generated with this[1] list and the following python script:
```python
def load_words():
    with open('words_alpha.txt') as word_file:
        valid_words = set(word_file.read().split())

    return valid_words

if __name__ == '__main__':
    english_words = load_words()
    d_chars = ['aa', 'bb', 'cc',
               'dd', 'ee', 'ff',
               'gg', 'hh', 'ii',
               'jj', 'kk', 'll',
               'mm', 'nn', 'pp',
               'oo', 'qq', 'rr',
               'ss', 'tt', 'uu',
               'vv', 'ww', 'xx',
               'yy', 'zz']
    hits = {
            'aa': 0,
            'bb': 0,
            'cc': 0,
            'dd': 0,
            'ee': 0,
            'ff': 0,
            'gg': 0,
            'hh': 0,
            'ii': 0,
            'jj': 0,
            'kk': 0,
            'll': 0,
            'mm': 0,
            'nn': 0,
            'pp': 0,
            'oo': 0,
            'qq': 0,
            'rr': 0,
            'ss': 0,
            'tt': 0,
            'uu': 0,
            'vv': 0,
            'ww': 0,
            'xx': 0,
            'yy': 0,
            'zz': 0
            }

    for word in english_words:
        for d_char in d_chars:
            print("checking " + d_char + " for existence in " + word)
            if d_char in word:
                print(d_char + " is in " + word)
                hits[d_char] = hits[d_char] + 1

    print(hits)
```

[1]: https://github.com/dwyl/english-words

1 files changed, 1 insertions, 1 deletions

diff --git a/hm/soispha/conf/nvim/mappings/default.nix b/hm/soispha/conf/nvim/mappings/default.nix
index b73db9c9..210918ad 100644
--- a/hm/soispha/conf/nvim/mappings/default.nix
+++ b/hm/soispha/conf/nvim/mappings/default.nix
@@ -30,7 +30,7 @@
             lua = true;
             desc = "completion trigger/ forward in completen menu";
           };
-          "cc" = {
+          "gg" = {
             action = ''
               function()
                 local cmp = require('cmp');