Exclude groovy-groovysh dependency

[szpak]

It is needed only to start the Groovy console and should not pollute the compile classpath with the number of transitive dependencies:

+--- org.spockframework:spock-core:1.2-RC1-groovy-2.5
|    +--- org.codehaus.groovy:groovy:2.5.0
|    +--- org.codehaus.groovy:groovy-groovysh:2.5.0 <----------- HERE
|    |    +--- org.codehaus.groovy:groovy:2.5.0
|    |    +--- org.codehaus.groovy:groovy-cli-picocli:2.5.0
|    |    |    +--- org.codehaus.groovy:groovy:2.5.0
|    |    |    \--- info.picocli:picocli:3.0.2
|    |    +--- org.codehaus.groovy:groovy-console:2.5.0
|    |    |    +--- org.codehaus.groovy:groovy:2.5.0
|    |    |    +--- org.codehaus.groovy:groovy-cli-picocli:2.5.0 (*)
|    |    |    +--- org.codehaus.groovy:groovy-swing:2.5.0
|    |    |    |    \--- org.codehaus.groovy:groovy:2.5.0
|    |    |    \--- org.codehaus.groovy:groovy-templates:2.5.0
|    |    |         +--- org.codehaus.groovy:groovy:2.5.0
|    |    |         \--- org.codehaus.groovy:groovy-xml:2.5.0
|    |    |              \--- org.codehaus.groovy:groovy:2.5.0
|    |    \--- jline:jline:2.14.6
(...)

[codecov]

Codecov Report

Merging #882 into master will decrease coverage by <.01%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master     #882      +/-   ##
============================================
- Coverage     75.03%   75.03%   -0.01%     
+ Complexity     3426     3423       -3     
============================================
  Files           368      368              
  Lines         10552    10545       -7     
  Branches       1333     1331       -2     
============================================
- Hits           7918     7912       -6     
  Misses         2167     2167              
+ Partials        467      466       -1

Impacted Files	Coverage Δ	Complexity Δ
...k-core/src/main/java/spock/lang/Specification.java	78.94% <0%> (-5.27%)	16% <0%> (-1%)
...k/runtime/extension/builtin/StepwiseExtension.java	90.47% <0%> (-0.83%)	8% <0%> (ø)
.../java/org/spockframework/runtime/SpockRuntime.java	71.73% <0%> (-0.43%)	20% <0%> (-3%)
...ckframework/spring/mock/DelegatingInterceptor.java	57.5% <0%> (+5%)	7% <0%> (+1%)	⬆️

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[leonard84]

the coreConsole task depends on groovysh

[szpak]

Good point. I've just reworked the approach to don't pollute the compile classpath.