ltrace: fix SRCURL

- be0 cleanup
- set fixed SRCURL
```
--2020-02-12 11:06:43--  https://www.ltrace.org/ltrace_0.7.3.orig.tar.bz2
Resolving www.ltrace.org... 151.80.38.131
Connecting to www.ltrace.org|151.80.38.131|:443... connected.
ERROR: The certificate of ‘www.ltrace.org’ is not trusted.
ERROR: The certificate of ‘www.ltrace.org’ has expired.
The certificate has expired
```

ltrace.be0

@@ -1,44 +1,16 @@
 #!/usr/bin/env beesh
 
-# BEE_VERSION ltrace-0.7.3-0
+# BEE_VERSION ltrace-0.7.3-1
 
-## this file was created by bee init and should be executed to build a
-## bee-package. (Additional hints are located at the end of this file.)
-
-###############################################################################
-## The source URL(s) define the location of the sources that will be
-## downloaded. Version variables may be used to simplify reuse of this bee-file.
-
-SRCURL[0]="https://www.ltrace.org/ltrace_${PKGVERSION}.orig.tar.bz2"
-
-###############################################################################
-## Add URLs/pathes to patch files to the PATCHURL array.
-## The sources will be patched in the order of the array.
+# SRCURL[0]="https://www.ltrace.org/ltrace_${PKGVERSION}.orig.tar.bz2"
+SRCURL[0]="https://beehive.molgen.mpg.de/b3dd199af8f18637f7d4ef97fdfb9d14/ltrace_0.7.3.orig.tar.bz2"
 
 # PATCHURL+=()
 
-###############################################################################
-## Uncomment the next statement, if the software may not be able to be built
-## outside the source directory and needs to be built inside the source
-## directory.
-
 # build_in_sourcedir
 
-###############################################################################
-## bee cannot detect buildtypes specified in subdirectories.
-## Sometimes packages "hide" the real sources in a subdirectory named
-## 'src' or 'cmake' or ..
-## use 'sourcesubdir_append' to specify this directory if known.
-
 # sourcesubdir_append src
 
-
-###############################################################################
-## Change the default (auto-detected) steps to
-## extract, patch, configure/setup, build and install the software.
-## Make sure the mee_install function does install everything to the
-## image directory "${D}"
-
 #mee_extract() {
 #    bee_extract "${@}"
 #}
@@ -59,22 +31,6 @@ mee_build() {
 #mee_install() {
 #    bee_install
 #}
-## by default this may be 'make install DESTDIR="${D}"'
-
-###############################################################################
-##
-## Additional hints:
-##
-## The name of this bee-file should follow the following naming convention:
-##     pkgname-pkgversion-pkgrevision.bee
-##
-## You may remove all comments as long as SRCURL[0] is set.
-##
-## Everything in this file will be executed in a bash environment.
-##
-## Build the package by executing
-##     './pkg-version-N.bee' or
-##     'beesh ./pkg-version-N.bee'
-##
-## see http://beezinga.org/
-##
+mee_install_post() {
+    rm -rv ${D}/usr/share/doc
+}