spec: Remove %{srcname} variable

It just expands to "lit". The variable was only used 4 times while the
literal "lit" was used 8 times.

python-lit.spec

@@ -1,13 +1,10 @@
-%global srcname lit
-
-
 %global lit_version 13.0.1
 #global rc_ver 1
 #%%global post_ver 1
 
 %bcond_without check
 
-Name: python-%{srcname}
+Name: python-lit
 Version: %{lit_version}%{?rc_ver:~rc%{rc_ver}}
 Release: 1%{?dist}
 BuildArch: noarch
@@ -15,7 +12,7 @@ BuildArch: noarch
 License: NCSA
 Summary: Tool for executing llvm test suites
 URL: https://pypi.python.org/pypi/lit
-Source0: %{pypi_source %{srcname} %{lit_version}%{?rc_ver:rc%{rc_ver}}%{?post_ver:.post%{post_ver}}}
+Source0: %{pypi_source lit %{lit_version}%{?rc_ver:rc%{rc_ver}}%{?post_ver:.post%{post_ver}}}
 
 # for file check
 %if %{with check}
@@ -37,7 +34,7 @@ Requires: python3-setuptools
 lit is a tool used by the LLVM project for executing its test suites.
 
 %prep
-%autosetup -n %{srcname}-%{lit_version}%{?rc_ver:rc%{rc_ver}}%{?post_ver:.post%{post_ver}} -p4
+%autosetup -n lit-%{lit_version}%{?rc_ver:rc%{rc_ver}}%{?post_ver:.post%{post_ver}} -p4
 
 %build
 %py3_build
@@ -46,14 +43,14 @@ lit is a tool used by the LLVM project for executing its test suites.
 %py3_install
 
 # Strip out #!/usr/bin/env python
-sed -i -e '1{\@^#!/usr/bin/env python@d}' %{buildroot}%{python3_sitelib}/%{srcname}/*.py
+sed -i -e '1{\@^#!/usr/bin/env python@d}' %{buildroot}%{python3_sitelib}/lit/*.py
 
 %if %{with check}
 %check
 %{__python3} lit.py tests
 %endif
 
-%files -n python3-%{srcname}
+%files -n python3-lit
 %license LICENSE.TXT
 %doc README.txt
 %{python3_sitelib}/*