[LyX/master] Remove old duplicated files, newer are in autotests/mathmacros

[Yuriy Skalko]

commit 87dd31c0db75abb2dba819e38d234714c9ff0fb9
Author: Yuriy Skalko <yuriy.skalko at gmail.com>
Date:   Sun Nov 15 22:22:47 2020 +0200

    Remove old duplicated files, newer are in autotests/mathmacros

 development/mathmacros/architecture.lyx           | 1699 ---------------------
 development/mathmacros/testcases_basic.lyx        |  260 ----
 development/mathmacros/testcases_environments.lyx | 1268 ---------------
 development/mathmacros/testcases_master_child.lyx |  Bin 3210 -> 0 bytes
 development/mathmacros/testcases_master_child.zip |  Bin 3210 -> 0 bytes
 development/mathmacros/testcases_speed.lyx        |  331 ----
 6 files changed, 0 insertions(+), 3558 deletions(-)