Remove icons that simply duplicate the default images, but are incorrectly stored in Locale specific directories (e.g. /cmd/pt-BR/). If they are removed, the default will be used anyway. De-duplication makes the task of icon theming easier TDF#30425.

Galaxy - 124x removed:
- lc_bold x10, 2.4KB. Default: 'B'.
- sc_bold x10, 1.6KB.
- lc_italic  x13, 2.8KB. Default: 'I'.
- sc_italic x13, 2.1KB.
- lc_underline x12, 2.8KB. Default: 'U'.
- sc_underline x12, 2.0KB.
- lc_underlinedouble x9, 2.2KB. Default: 'U'.
- sc_underlinedouble x9, 1.7KB.
- sc_label x26, 5.4KB. Default: 'ABC'.
- lc_numberformatdecimal x5, 1.7KB Default: '0.0'.
- sc_numberformatdecimal x5, 1.2KB.

Check and remove corresponding icons from other themes: Crystal - 82x.
Hicontrast - 97x.
Human - 76x.
Industrial - 76x.
Oxygen - 79x.
Tango - 81x deletions from links.txt: "# Removing language specificity…".
Tango_testing - 25x.

Change-Id: I4e42b494cbdfac2b377fae077001306778addfd0
Signed-off-by: Andrew <dent.ace@gmail.com>
Reviewed-on: https://gerrit.libreoffice.org/14378Reviewed-by: Jan Holesovsky <kendy@collabora.com>
Tested-by: Jan Holesovsky <kendy@collabora.com>