Remove comments in passwd,group,shadow,gshadow

pwck/grpck don't support comments in these files.
Thanks to grawity for reporting it.

PKGBUILD

@@ -21,8 +21,8 @@ source=('crypttab' 'env-generator' 'fstab' 'group' 'gshadow' 'host.conf' 'hosts'
 md5sums=('5fa6674df7645d7f5895f2d12b4ef4e9'
          '2b0344e9639f35f3c0d5637a23556089'
          'e33f6dfdd61978fcb3ddf1431286e05a'
-         '210aa72839c2d05c81c29c4b7f9d4c1e'
-         'de6c96bb49ebdf1b4c073faf8c73dd72'
+         '803da7c3c9df9b47a78b52fe9ddf02b1'
+         '822b75f0faca19a9c4cee334c63ab1b3'
          '7d119a9cce152aa182fb3392ddeecea7'
          'a1315ea3e2b64d197b6efaf9c14ff778'
          '7813c481156f6b280a3ba91fc6236368'
@@ -31,11 +31,11 @@ md5sums=('5fa6674df7645d7f5895f2d12b4ef4e9'
          'd41d8cd98f00b204e9800998ecf8427e'
          '44851ecc062ba34a4c024b6f3246c48f'
          '0a0fbb8e64faabb40023bd180d7190a1'
-         '760c1bfce90117f866406ead94360458'
+         'cffabcce564fa9e47981da780059a621'
          '13feaea89d404729ad2f7cf0bcc41d85'
          '0ee015fad07732676d9488ae498eed41'
          'f04bcb2803afc4dcb95670fe87343b4d'
-         'db631dab91552a497d4f6c7b0f73ee0e'
+         '7cc0d3e777ccb03f91e979c3aab296a0'
          'a78cd8d7f8240a8448edee82f503c34e'
          '6ec767b80e0df5c4450078363a31bca0'
          '0267a3a463f35eec8a31f40a720dfd86')
@@ -92,10 +92,10 @@ package() {
 
   # add lib symlinks
   ln -s usr/lib lib
-  [[ $CARCH = 'x86_64' ]] && (
+  [[ $CARCH = 'x86_64' ]] && {
     ln -s usr/lib lib64
     ln -s lib usr/lib64
-  )
+  }
 
   # add bin symlinks
   ln -s usr/bin bin

group

-# User group file.
-# See group(5) for details.
 root:x:0:root
 nobody:x:99:

gshadow

-# Shadowed group file.
-# See gshadow(5) for details.
 root:::root
 nobody:::

passwd

-# The password file.
-# See passwd(5) for details.
 root:x:0:0::/root:/bin/bash
 nobody:x:99:99::/:/usr/bin/nologin

shadow

-# Shadowed password file.
-# See shadow(5) for details.
 root::14871::::::
 nobody:x:14871::::::