Merge #17869: refactor: Remove unused defines in qt/bitcoinunits.h

7754d7a refactor: Remove unused defines in bitcoinunits.h (Hennadii Stepanov)

Pull request description:

  In `bitcoinunits.h` some `#define`s introduced in #4167 are unused now.

ACKs for top commit:
  emilengler:
    ACK 7754d7a
  fanquake:
    ACK 7754d7a
  promag:
    ACK 7754d7a.

Tree-SHA512: 688836a434d87530f99c309d8af60f63cdfdcfe583c9297636fbbed0f16a3dc0920d4249457303c00a83dc82d28edd8a99aab0b191c7ffbbd38c5d9fc8ee0df1

Author: fanquake

src/qt/bitcoinunits.h

@@ -13,22 +13,6 @@
 // U+2009 THIN SPACE = UTF-8 E2 80 89
 #define REAL_THIN_SP_CP 0x2009
 #define REAL_THIN_SP_UTF8 "\xE2\x80\x89"
-#define REAL_THIN_SP_HTML " "
-
-// U+200A HAIR SPACE = UTF-8 E2 80 8A
-#define HAIR_SP_CP 0x200A
-#define HAIR_SP_UTF8 "\xE2\x80\x8A"
-#define HAIR_SP_HTML " "
-
-// U+2006 SIX-PER-EM SPACE = UTF-8 E2 80 86
-#define SIXPEREM_SP_CP 0x2006
-#define SIXPEREM_SP_UTF8 "\xE2\x80\x86"
-#define SIXPEREM_SP_HTML " "
-
-// U+2007 FIGURE SPACE = UTF-8 E2 80 87
-#define FIGURE_SP_CP 0x2007
-#define FIGURE_SP_UTF8 "\xE2\x80\x87"
-#define FIGURE_SP_HTML " "
 
 // QMessageBox seems to have a bug whereby it doesn't display thin/hair spaces
 // correctly.  Workaround is to display a space in a small font.  If you
@@ -114,9 +98,6 @@ class BitcoinUnits: public QAbstractListModel
     {
         text.remove(' ');
         text.remove(QChar(THIN_SP_CP));
-#if (THIN_SP_CP != REAL_THIN_SP_CP)
-        text.remove(QChar(REAL_THIN_SP_CP));
-#endif
         return text;
     }