test: Remove unused catch2

Change-Id: I884ee453191c525dfcec0eced9ea8cf8c620a012
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/subprojects/Catch2.wrap b/subprojects/Catch2.wrap
deleted file mode 100644
index bd7f593..0000000
--- a/subprojects/Catch2.wrap
+++ /dev/null
@@ -1,3 +0,0 @@
-[wrap-git]
-url = https://github.com/catchorg/Catch2
-revision = HEAD
diff --git a/test/meson.build b/test/meson.build
index 113b8c1..d29bb43 100644
--- a/test/meson.build
+++ b/test/meson.build
@@ -92,60 +92,3 @@
         dependencies: gtest_deps))
   endforeach
 endif
-
-# Switch to `catch2-with-main.pc` when 2.x supports it
-catch2 = dependency('catch2-with-main', required: false)
-if not catch2.found()
-  catch2 = dependency('catch2', required: false)
-  if catch2.found()
-    catch2_main = meson.get_compiler('cpp').find_library(
-      'Catch2WithMain', required: false)
-    if catch2_main.found()
-      catch2 = declare_dependency(
-        dependencies: [
-          catch2,
-          catch2_main,
-        ])
-    else
-      catch2 = declare_dependency(
-        link_with: static_library(
-          'catch2', 'catch2_main.cpp',
-          implicit_include_directories: false,
-          build_by_default: false,
-          dependencies: catch2),
-        dependencies: catch2)
-    endif
-  endif
-endif
-if not catch2.found()
-  catch2_opts = import('cmake').subproject_options()
-  catch2_opts.add_cmake_defines({
-    'BUILD_TESTING': 'OFF',
-    'CMAKE_CXX_FLAGS': '-Wno-non-virtual-dtor',
-  })
-  catch2_proj = import('cmake').subproject(
-    'Catch2',
-    options: catch2_opts,
-    required: false)
-  if catch2_proj.found()
-    catch2 = declare_dependency(
-      dependencies: [
-        catch2_proj.dependency('Catch2'),
-        catch2_proj.dependency('Catch2WithMain'),
-      ])
-  else
-    assert(not build_tests.enabled(), 'Catch2 is required')
-  endif
-endif
-
-catch2_tests = [
-]
-
-if catch2.found()
-  foreach t : catch2_tests
-    test(t, executable(t.underscorify(), t + '.cpp',
-                       build_by_default: false,
-                       implicit_include_directories: false,
-                       dependencies: [stdplus_dep, catch2]))
-  endforeach
-endif