Remove template from tranform inits call

[rok-cesnovar]

Summary

Fix for recent clang versions (example reported in https://discourse.mc-stan.org/t/failing-to-make-example-bernoulli-bernoulli-on-cmdstan-fresh-installation/21370).

Copyright and Licensing

Please list the copyright holder for the work you are submitting (this will be you or your assignee, such as a university or company): Rok Češnovar

By submitting this pull request, the copyright holder is agreeing to license the submitted work under the following licenses:

• Code: BSD 3-clause (https://opensource.org/licenses/BSD-3-Clause)
• Documentation: CC-BY 4.0 (https://creativecommons.org/licenses/by/4.0/)

[bbbales2]

Good!

[stan-buildbot]

---

Name	Old Result	New Result	Ratio	Performance change( 1 - new / old )
gp_pois_regr/gp_pois_regr.stan	3.39	3.55	0.96	-4.55% slower
low_dim_corr_gauss/low_dim_corr_gauss.stan	0.02	0.02	0.94	-5.87% slower
eight_schools/eight_schools.stan	0.11	0.11	0.99	-1.38% slower
gp_regr/gp_regr.stan	0.17	0.16	1.07	6.2% faster
irt_2pl/irt_2pl.stan	5.32	5.23	1.02	1.67% faster
performance.compilation	89.95	88.52	1.02	1.59% faster
low_dim_gauss_mix_collapse/low_dim_gauss_mix_collapse.stan	8.88	8.97	0.99	-0.99% slower
pkpd/one_comp_mm_elim_abs.stan	30.92	31.31	0.99	-1.24% slower
sir/sir.stan	128.52	133.11	0.97	-3.57% slower
gp_regr/gen_gp_data.stan	0.04	0.04	1.02	2.34% faster
low_dim_gauss_mix/low_dim_gauss_mix.stan	3.07	3.12	0.98	-1.6% slower
pkpd/sim_one_comp_mm_elim_abs.stan	0.37	0.38	0.99	-1.44% slower
arK/arK.stan	1.92	1.91	1.0	0.19% faster
arma/arma.stan	0.64	0.63	1.01	0.92% faster
garch/garch.stan	0.51	0.51	0.99	-0.7% slower
Mean result: 0.995224567368

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Jenkins Console Log
Blue Ocean
Commit hash: b1fd1e8

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Machine information

ProductName: Mac OS X ProductVersion: 10.11.6 BuildVersion: 15G22010

CPU:
Intel(R) Xeon(R) CPU E5-1680 v2 @ 3.00GHz

G++:
Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
Apple LLVM version 7.0.2 (clang-700.1.81)
Target: x86_64-apple-darwin15.6.0
Thread model: posix

Clang:
Apple LLVM version 7.0.2 (clang-700.1.81)
Target: x86_64-apple-darwin15.6.0
Thread model: posix